Question

Please help, prove how angle E and angle R are congruent

Answer 1

.

Explanation:

In ΔEMR and ΔNMR

MN ≅ MA Given

∠EMR ≅∠NMR Reflexive property

ME ≅ MR Given

ΔEMR ≅ ΔNMR S A S congruent - side Angle side

∠E ≅ ∠R Corresponding Part of Congruent Triangles