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| | Trapezoid American English British English quadrilateral parallel parallelogram triangle straight angle ratio anatomy ... (Site not responding. Last check: 2007-10-09) |
 | | If the other pair of opposite sides is also parallel, then the trapezoid (American English) is also a parallelogram.Otherwise, the other two opposite sides may be extended until they meet at a point, forming a triangle that the trapezoid lies inside of. |
 | | The area of a trapezoid (American English) can be computed as the arithmetic mean of the lengths of the two parallel sides, multiplied by the distance along a perpendicular line between them. |
 | | inputting the 4 sides of a trapezoid, your output will show the length of the trapezoid median, the trapezoid height (or altitude), the trapezoid area, the trapezoid perimeter, all 4 angles and... |
| en.powerwissen.com /8JDbyBHwlTMX8Ji4DhvkMA%3D%3D_Trapezoid.html (372 words) |
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