Difference between revisions of "Isosceles triangle"
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An '''isosceles triangle''' is a [[triangle]] in which ''at least'' two [[edge]]s have equal [[length]]. Equivalently, an isosceles triangle is one in which ''at least'' two [[angle]]s have equal [[measure]]. [[Equilateral triangle]]s are a special class of isosceles triangles in which all three sides and [[angle]]s are equal. | An '''isosceles triangle''' is a [[triangle]] in which ''at least'' two [[edge]]s have equal [[length]]. Equivalently, an isosceles triangle is one in which ''at least'' two [[angle]]s have equal [[measure]]. [[Equilateral triangle]]s are a special class of isosceles triangles in which all three sides and [[angle]]s are equal. | ||
| − | + | {{asy image|<asy>draw((0,0)--(1,0)--(0.5,0.5)--cycle);</asy>|right|An isosceles triangle.}} | |
==See Also== | ==See Also== | ||
Revision as of 11:13, 5 May 2009
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An isosceles triangle is a triangle in which at least two edges have equal length. Equivalently, an isosceles triangle is one in which at least two angles have equal measure. Equilateral triangles are a special class of isosceles triangles in which all three sides and angles are equal.
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![[asy]draw((0,0)--(1,0)--(0.5,0.5)--cycle);[/asy]](http://latex.artofproblemsolving.com/7/9/c/79c4904ff735bf765ca842cac6dc281aaf455e43.png)
