Difference between revisions of "Isosceles Triangle Theorem"
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| − | The '''Isosceles Triangle Theorem''' is a [[theorem]] stating that if two sides of a [[triangle]] are equal, the two [[angle | + | The '''Isosceles Triangle Theorem''' is a [[theorem]] stating that if two sides of a [[triangle]] are equal, the two [[angle]]s of that triangle which include the third side are equal as well. This is proven by bisecting the angle between the equal sides to form two new triangles which are congruent by SAS congruency. By CPCTE, the two aforementioned angles are equal.<ref>''Beauty, Rigor, Surprise''</ref> |
==References== | ==References== | ||
Latest revision as of 19:33, May 9, 2017
The Isosceles Triangle Theorem is a theorem stating that if two sides of a triangle are equal, the two angles of that triangle which include the third side are equal as well. This is proven by bisecting the angle between the equal sides to form two new triangles which are congruent by SAS congruency. By CPCTE, the two aforementioned angles are equal.[1]
References
- ↑ Beauty, Rigor, Surprise