Question

A student wants to prove that the base angles of an isosceles triangle are congruent. The student draws isosceles triangle ABC with base angles B and C.

Point M is drawn as the midpoint of BC.

Which of the following could be used as part of the proof that B = C? Select all that apply

Answer 1

BM=CM bc of the definition of midpoint

AB =AC bc of the def of an isosceles triangle

and angle B = angle D becasur corresponding parts

Explanation: