Question

please solve this wonderful question of maths

Answer 1

Answer:

QED

Step-by-step explanation:

∠A  + ∠B + ∠C + ∠D = 360

∠A + ∠B = 360 - ∠C - ∠D

∠E + (1/2)(∠A + ∠B) = 180

∠E +(1/2)(360-∠C-∠D) = 180

∠E + 180 - (1/2)(∠C + ∠D) = 180

∠E = (1/2)(∠C + ∠D)

QED