Question

I WILL AWARD BRAINLIEST!! PLEASE HELP!!

Given: AC = AB, CD = DE
m∠ABC = 70°, m∠ ECB = 35°

Prove: DE ║BC


m∠ACB = m∠______, By reason ( Base angles theorem, Exterior Angle theorem, Supplementary angles, Vertical Angles theorem ) - choose one

Answer 1

I believe it is congruent to angle ABC by base angles theorem