Question

I need help Please. the question in photo

Answer 1

C

Explanation:

Since Δ ABC is isosceles , then AB = AC and the base angles are congruent.

∠ ACB =
`(180-50)/(2)` =
`(130)/(2)` = 65°

∠ ACB and ∠ BCE are adjacent angles and are supplementary, thus

∠ BCE = 180° - 65° = 115° → C