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Topic: Scalene triangle

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Isosceles triangle

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	Triangle - Wikipedia, the free encyclopedia
		A perpendicular bisector of a triangle is a straight line passing through the midpoint of a side and being perpendicular to it, i.e.
		A median of a triangle is a straight line through a vertex and the midpoint of the opposite side, and divides the triangle into two equal areas.
		The area S of a triangle is S = ½bh, where b is the length of any side of the triangle (the base) and h (the altitude) is the perpendicular distance between the base and the vertex not on the base.
	en.wikipedia.org /wiki/Triangle (2072 words)

	Triangle -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-22)
		A triangle is one of the basic shapes of (The pure mathematics of points and lines and curves and surfaces) geometry: a two-dimensional figure with three (additional info and facts about vertices) vertices and three sides which are straight line segments.
		Triangles can also be classified according to the size of their largest internal angle, described below using (A specific identifiable position in a continuum or series or especially in a process) degrees of arc.
		This is also the triangle's (The point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of mass) center of gravity: if the triangle were made out of wood, say, you could balance it on its centroid, or on any line through the centroid.
	www.absoluteastronomy.com /encyclopedia/t/tr/triangle.htm (2236 words)

	Figures and polygons
		The sum of the angles of a triangle is 180 degrees.
		One of the angles of the triangle measures 90 degrees.
		A right triangle has the special property that the sum of the squares of the lengths of the legs equals the square of the length of the hypotenuse.
	www.mathleague.com /help/geometry/polygons.htm (610 words)

	Tim's Triangular Page
		Triangle DEF is congruent to triangles AFE, BFD, and CED.
		In every acute triangle, the area of the square whose sides are as the biggest triangle side is less than the sum of the areas of the two squares whose sides equal to two smaller sides, respectively.
		An isosceles triangle such that the ratio of the length of the two equal sides to the length of the third side is the golden ratio is called a golden triangle.
	sakharov.net /triangle.html (3567 words)

	AllRefer.com - triangle, in mathematics (Mathematics) - Encyclopedia
		A scalene triangle is one in which all three angles are different.
		In geometry it is shown that two triangles are congruent (i.e., are the same shape and size) if, in general, any three independent parts (sides or angles) of one are the same as the corresponding three parts of the other.
		The triangle is the simplest of the polygons (i.e., it has the least possible number of sides).
	reference.allrefer.com /encyclopedia/T/triangl1.html (399 words)

	ez 4-1 Classifying Triangles (Glencoe Geometry) (Site not responding. Last check: 2007-10-22)
		of the triangle are the endpoints of the segments.
		All triangles have at least two acute angles, but the third angle, which is used to classify the triangle, can be acute, right, or obtuse.
		triangle is an acute triangle in which all angles are congruent.
	www.e-zgeometry.com /class/class4/4.1/4.1.htm (311 words)

	Triangles (Site not responding. Last check: 2007-10-22)
		Triangles can be classified according to the length of their sides and the size of their angles.
		All angles of an equilateral triangle are 60°.
		The side of the isosceles triangle that has a different length is said to be the base of the triangle.
	www.mathsteacher.com.au /year7/ch09_polygons/01_triangle/tri.htm (343 words)

	Grade 7: Area formula for triangle
		The formula for the area of a triangle is developed here in relation to the formula for the area of a parallelogram (not in relation to the formula for the area of a rectangle).
		Ensure that students realize that the area of the parallelogram is twice the area of the scalene triangle and that the area of the triangle is half of the area of the parallelogram.
		Have students determine the area of each triangle by measuring base and height, etc. Have students identify the triangles that have the most and least areas from their triangles and come to a conclusion about the type of triangle that results in the most and least area.
	io.uwinnipeg.ca /~jameis/PAGES/MYR58.html (1339 words)

	The Triangle Figure
		When she placed an acute scalene triangle next to me on her desk, I remembered times as a student that I was asked to sketch an acute scalene triangle to investigate some triangle property.
		Any triangle in a pencil of triangles can be referred to by its third vertex, the one not incident with the base of the pencil.
		These two reflections may be used to generate a total of four congruent triangles within the same pencil, as long as the third vertex of the initial triangle is not on either of the lines of reflection.
	www.math.clemson.edu /~rsimms/triangle (1573 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		A rational right triangle is a triangle where all the sides are rational numbers and one of the angles is a right angle.Find a rational right triangle such that the length of the hypotenuse is numerically equal to the area of the triangle, and the perimeter of the triangle is a prime integer.
		The lengths of two sides of a triangle are 5 and 11.
		Triangles can be classified by their side lengths (scalene, isosceles, and equilateral), and by their angle measure (acute, right, and obtuse).
	www.cst.cmich.edu /users/manou1a/251/251.problems.sept15.doc (203 words)

	Triangle Puzzler--Mathematics: Grades 5-8 (Site not responding. Last check: 2007-10-22)
		Triangles can be named by using three points in their correct sequence.
		For example, triangle ABC is a triangle with line segments drawn from A to B, B to C, and C to A. Note the rule that the three points cannot be on the same line.
		The angles in a triangle are measured by degrees.
	www.teachercreated.com /lessons/000519cm.shtml (234 words)

	MSN Encarta - Search Results - scalene
		A triangle is scalene if no two of its sides are equal in length, as in Fig.
		A triangle is a plane figure bounded by three straight lines.
		A scalene triangle has three sides of unequal lengths, an isosceles triangle has two...
	ca.encarta.msn.com /scalene.html (98 words)

	Isosceles and Equilateral Triangles (Site not responding. Last check: 2007-10-22)
		The two triangles, the original and its reflection, are congruent by SSS, hence the base angles of an isosceles triangle are equal.
		The triangle is congruent to its reflection by ASA, hence the two sides have the same length.
		As a corollary, none of the angles in a scalene triangle are congruent.
	www.mathreference.com /geo,iso.html (167 words)

	Program 1, COSC 143, Fall 2005 (Site not responding. Last check: 2007-10-22)
		An isosceles triangle is a triangle with (at least) two equal sides.
		A scalene triangle is a triangle with three unequal sides.
		An equilateral triangle is a triangle with three equal sides.
	www.uwplatt.edu /csse/courses/cs143/prog1.html (697 words)

	The Greedy Triangle (Site not responding. Last check: 2007-10-22)
		Have students to count the number of triangles on the outside of their house (apartment, etc.).
		RULE: For any triangle, the length of any one side must be shorter than the sum of the lengths of the other two sides –or- the sum of the lengths of any two sides is greater than the length of the remaining side.
		Use the letters A, B, and C to label the sides of the equilateral, isosceles, and scalene triangles.
	www.coe.ohio-state.edu /dyford/Lessonplans/triangle2.htm (1551 words)

	PinkMonkey.com Geometry Study Guide - 2.3 Types of triangles
		Scalene triangle : If all the sides of a triangle have different lengths it is called a scalene triangle.
		A special case of an acute triangle is when all the three acute angles are equal.
		Obtuse triangle : A triangle in which one of the angles is obtuse is called as an obtuse triangle.
	www.pinkmonkey.com /studyguides/subjects/geometry/chap2/g0202301.asp (274 words)

	American Bonsai Society - Bonsai Article
		Is that scalene triangle a triangle or just a group of reference points for height, width and depth.
		Scalene - symmetry is also a sign of stability but it does not include a lot of variety and/or interest.
		Scalene is NOT symmetrical so avoids that problem but therefore needs stability of the triangle.
	www.absbonsai.org /articles/triangle.html (959 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		Right triangles will never have an angle greater than 90 degrees.¡ó¨Isosceles Triangles¨¾A isosceles triangle is a triangle that has two sides that are the same size.
		Isosceles Triangles can be acute or obtuse.¡¿¿ó ¨Scalene Triangles¨ÅA scalene triangle is a triangle that has three sides of different length.
		In addition to having three sides of different length, a scalene triangle has angles that are different in length as well.ó ¨Equilateral Triangles¨°Equilateral triangles are triangles in which all three sides are the same length.
	www2.gvsu.edu /~holdenl/ppointproject.ppt (354 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		Scott HH249 * \* * * * * * * * * * * * * * * * * / //Specs: Given 3 input sides of a triangle, output whether the formed triangle* // is scalene, isosceles, equilateral, or a non-triangle.
		Continue program usage (y/n)?y Enter the sides of the triangle: s1:3 s2:4 s3:5 This is a scalene triangle.
		Continue program usage (y/n)?y Enter the sides of the triangle: s1:3 s2:4 s3:4 This is an isosceles triangle.
	www.tcnj.edu /~nichols2/CppSource/triangle.cpp (201 words)

	NCTM : Illuminations Lessons : What's Important About Triangles?
		Students explore the importance of the side lengths of a triangle and when triangles can or cannot be constructed on the basis of these lengths.
		Triangles A and H are equilateral triangles; triangles D and G are isosceles triangles; and triangle B is a scalene triangle.
		In this case, a scalene triangle would be formed.
	illuminations.nctm.org /index_d.aspx?id=235 (496 words)

	Playing with triangles (Site not responding. Last check: 2007-10-22)
		(Scalene sounds like skay-leen.) Equilateral and isosceles triangles are a bit special because they have some sides the same length as each other, but a scalene triangle is just any old triangle.
		Any triangle that is not isosceles or equilateral is scalene.
		Once you've explored all three types of triangles, have a look at the other ideas page.
	odyssey.apana.org.au /~gprideau/sketchpad/triangle/scalene.html (155 words)

	CSC112 (Site not responding. Last check: 2007-10-22)
		Here’s a flashback to your high school geometry class: An equilateral triangle is one that has all three sides equal in length.
		Enter three lengths for the sides of a triangle separated by a space: 4 5 6
		Enter three lengths for the sides of a triangle separated by a space: 4 5 4
	people.uncw.edu /mferner/CSC112/labs/lab16.htm (165 words)

	CJONES (Site not responding. Last check: 2007-10-22)
		Draw a scalene triangle and label the vertices.
		Draw a scalene triangle and label the vertices A, B, and C. Use the point tool to locate a point, D, slightly below the triangle.
		Draw a scalene triangle in the upper left hand quadrant and label the vertices.
	www.middleschool.net /lesspln/mathF/math99/mcjs/CJONES.htm (445 words)

	triangle
		A scalene triangle can be divided into 2 equal area triangular pieces in 3 ways.
		Here are the 16 ways to divide a scalene triangle into 3 equal area triangular pieces.
		Here a,b,c are sides of a triangle ABC; the "a" side is divided into m+n by a point at distance d from the opposite vertex.
	www.mathpuzzle.com /triangle.html (898 words)

	worksheet Answers chapter 7 section 2 (Site not responding. Last check: 2007-10-22)
		Suppose we have a Scalene Triangle with the following three sides, 13 centimeters, 10 centimeters and 15 centimeter, what is the perimeter around this triangle_________?
		Suppose we have an isosceles triangle and one of the equal side is 10 centimeters and the base is 15 centimeters, what is the perimeter of this triangle_______?
		Suppose we are given this obtuse triangle and we measured a straight line distance from the top to the base of 15 centimetes and the actual base of the triangel was 13 centimeters, what is the area of this triangle________?
	www.rose.edu /faculty/gjackson/preal/aws-7.2.htm (882 words)

	An acute scalene triangle (Site not responding. Last check: 2007-10-22)
		Hi- I'm on a mission--I'm suppose to have a group of children write up a hypotheses about the altitudes and angle biscetors of the follwing 3 types of triangle--equilateral, isosceles and acute scalene triangle.
		Is there such a thing as a acute scalene triangle and why or why not.
		(In other words, each angle of an acute triangle is less than 90 degrees.) A SCALENE triangle is one in which all sides have different lengths (and therefore, all angles have different measures).
	mathcentral.uregina.ca /QQ/database/QQ.09.01/kim2.html (125 words)

	worksheet chapter 7 section 2 (Site not responding. Last check: 2007-10-22)
		If we know that all the angles of a three sided figure or a triangle equal 180 degrees, then if we have a right triangle and one of the acute angle is 30 degrees, what must the other angle be_______?
		Suppose we have an equilaterial triangle with one side equal to 25 meters, what is the perimeter of this triangle______?
		Suppose we are given this equilaterial triangle and one side was 10 centimeters long, look at the formula page and locate a formula that can be used to find the area of an equiangular triangle when the sides are known, the area is_______?
	www.rose.edu /faculty/gjackson/preal/ws-7.2.htm (518 words)

	[No title]
		Triangles can be grouped by their sides or their angles.
		acute angle acute angles acute triangle acute triangles complementary angle complimentary angles corresponding angle corresponding angles exterior angle exterior angles interior angle interior angles straight angle straight angles supplementary angle supplementary angles obtuse angle obtuse angles vertical angle vertical angles 3.
		Triangles __________ be grouped by their __________ or their angles.
	www.palmbeach.k12.fl.us /Multicultural/ESOLCurriculumDocs/Secondary/IntMathU22.doc (2700 words)

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