Question

find angle aob in the picture below

Answer 1

Answer:

∆ aob in triangle ok i hope my answer is caract

Answer 2

Answer:

72°

Step-by-step explanation:

We know that, sum of the angles of a pentagon = 540°

So,  ∠D = ∠E = ∠A = ∠B = ∠C = $\frac{540}{5}$ = 108°

Thus, ∠OAB = ∠OBA = $\frac{108}{2}$  = 54°

⇒ ∠AOB = 180° - (∠OAB + ∠OBA) = 180 - 108 = 72°