Question

problem 6: (first taught in lesson 29)
complete this sentence by selecting always, sometimes, or never.
if a triangle is isosceles, then its base angles are ____ congruent.
after you pick your answer press go.
a. always b. sometimes c. never

Explanation:

Step1: Recall the definition of an isosceles triangle

An isosceles triangle has two equal sides (legs) and the angles opposite those legs (base angles) are congruent.

Step2: Analyze the property

By the Isosceles Triangle Theorem, in an isosceles triangle, the base angles are always congruent.

Answer:

A. always