4-5 Isoceles, Equilateral, and Right Triangles Flashcards
1
Q
isos. triangle thrm.
A
if 2 sides of a triangle are congruent, then the angles opposite those sides are congruent.
2
Q
isos. triangle converse
A
if 2 angles of a triangle are congruent, then the sides opposite those angles are congruent.
3
Q
isos. bisector thrm.
A
if a line bisects the vertex angle of an isosceles triangle, then the line is also a perp. bisector of the base.
4
Q
equilateral triangle thrm.
A
if a triangle is an equilateral, then it is equiangular.
5
Q
equilateral triangle converse
A
if a triangle is equiangular, then its equilateral.
