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Topic: Isoceles triangle


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  Triangle - Wikipedia, the free encyclopedia
A triangle is one of the basic shapes of geometry: a polygon with three vertices and three sides which are straight line segments.
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/Isosceles_triangle   (2263 words)

  
 Triangle : Isoceles triangle
A Triangle is one of the basic shapes of geometry: a two-dimensional figure with three vertices and three sides which are straight line segments.
That is, if the longest side of a triangle is twice that of the longest side of a similar triangle, say, then the shortest side will also be twice that of the shortest side of the other triangle, and the median side will be twice that of the other triangle.
The three perpendicular bisectors meet in a single point, the triangle's circumcenter; this point is the center of the circumcircle, the circle passing through all three vertices.
www.mik.fastload.org /is/Isoceles_triangle.html   (1205 words)

  
 Topics in trigonometry:  The isosceles right triangle
Note that since the triangle is isosceles, then the angles at the base are equal.
In the triangle on the left, the side corresponding to 1 has been multiplied by 6.5.
Whenever we know the ratio numbers, we use this method of similar figures to solve the triangle, and not the trigonometric Table.
www.themathpage.com /aTrig/isosceles-right-triangle.htm   (321 words)

  
 Geometry: Isosceles and Equilateral Triangles - Math for Morons Like Us   (Site not responding. Last check: 2007-10-09)
These kind of triangles are special triangles, and if you scroll down, you'll be able to better understand the peculiarities of each type of triangle.
An equilateral triangle is a special isosceles triangle in which all three sides are congruent.
We also know that all triangles are made of three angles that have measures that when added together equal 180 degrees.
library.thinkquest.org /20991/geo/ietri.html   (397 words)

  
 The Construction Site :: Geofix
This kit contains 20 bright red equilateral triangles and 60 small isoceles triangles, which is what you need to make your own geodesic come.
These isoceles triangles are a different shape than the isoceles triangles above.
The bulk set includes 300 triangles, 200 squares, 100 pentagons,; 100 hexagons in mixed colors and a plastic carrying case.
www.constructiontoys.com /store/geofix.php   (367 words)

  
 Two-dimensional Geometry and the Golden section
Putting the compass point at the top point of the triangle and opening it out to point B (so it has a radius along the right-angle line) mark out a point on the diagonal which will also be half as long as the original line.
Since the triangles AEB and DEC are similar (the angles are the same in each triangle) then their sides are in the same ratio (proportion) to each other.
The two rhombs are made from gluing two of the flat pentagon triangles together along their long sides and the other from gluing two of the sharp pentagon triangles together along their short sides.
www.mcs.surrey.ac.uk /Personal/R.Knott/Fibonacci/phi2DGeomTrig.html   (8440 words)

  
 Isoceles Triangle-- Plane Geometry Before Coordinates
If two sides in a triangle have equal lengths then the angles opposite them are equal.
A triangle is said to be equilateral when and only when all three sides in it have the same length.
A triangle is said to be equiangular when and only when all three angles in it are equal.
whyslopes.com /Euclidean-Geometry-Introduction/geom06_Isoceles.html   (292 words)

  
 Conjectures in Geometry: Isosceles Triangles   (Site not responding. Last check: 2007-10-09)
An important fact to know is that an isosceles triangle is a triangle in which two of its sides are equal in length.
The base angles are the two angles that are equal in measure, and from there, the two sides opposite the angles are congruent.
Converse (Isosceles Triangle Conjecture II): If two angles in a triangle are congruent, then the triangle is isosceles.
www.geom.uiuc.edu /~dwiggins/conj13.html   (194 words)

  
 handprint : central perspective   (Site not responding. Last check: 2007-10-09)
That is, the triangle xax' is the perspective image of the triangle xaA in the ground plan.
The two equal sides of an isoceles triangle are defined by the arc of a circle (bc) scribed backwards from point a on the image plane.
Our goal, then, is to draw lines parallel to the base of the isoceles triangle so that we can to transfer these measurements from the front measure bar back to the edge of the form in perspective.
www.handprint.com /HP/WCL/perspect2.html   (8814 words)

  
 Math Forum: JavaSketchpad: Isosceles triangle
Drag the red dots and observe the triangle medians, altitudes, and angle bisectors.
This sketch was created using a prototype of JavaSketchpad, a World-Wide-Web component of
The Math Forum is a research and educational enterprise of the Drexel School of Education.
mathforum.org /dr.math/faq/formulas/isostri.gsp.html   (49 words)

  
 ISOCELES TRIANGLE - 8
> >> My algorithm should produce an isosceles triangle of characters c.
> >> for n=7 and c=???$???, the resulting triangle should be as follows:
Why are there 4 lines in the triangle when the input was 7?[/color]
www.thescripts.com /forum/post652951-8.html   (118 words)

  
 ISOCELES TRIANGLE - C++
My algorithm should produce an isosceles triangle of characters c.
for n=7 and c=’$’, the resulting triangle should be as follows:
Why are there 4 lines in the triangle when the input was 7?[/color][/color][/color]
www.thescripts.com /forum/thread168291.html   (1022 words)

  
 Ice Skating Accessories Galore - Skate Accessories
We are pleased to feature the innovative Transpack Skating Backpack line which replaces the skating bag line we used to stock.
Using a patented isoceles triangle design, these backpacks distribute the weight of your skates and accessories evenly across your back.
The mesh side panels are used to store your skates and allow them to breath and dry out, thereby extending the life of your skates.
www.icesk8.com /access8.htm   (1870 words)

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