Question

Help me please ifk how u do this

Answer 1

D

Explanation:

d)∠3 + ∠ 4 +∠2 = 180

∠3 + ∠4 + (180 - ∠1) = 180 {from ∠1 + ∠2 = 180}

∠3 +∠4 = 180 -180 + ∠1

∠3 + ∠4 = ∠1