chapter 4.3 theorems
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6 terms
Terms | Definitions |
|---|---|
 theorem 4.5 | In an isosceles triangle, the angles opposite the congruent sides are congruent. |
| corollary 4.6 | every equilateral triangle is equiangular and all angles are congruent. |
| theorem 4.7 | if two angles of a triangle are congruent, then the sides opposite those angles are congruent. |
| corollary 4.8 | every equiangular triangle is equilateral. |
| theorem 4.9 | in an isosceles triangle, the ray that bisects the vertex angle bisects the base and is perpendicular to it. it is also the altitude to the base. |
| theorem 4.10 | a point is on the perpendicular bisector of a line segment if and only if it is equidistant from the endpoints of the segment. |
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