Question

two congruent circles with centres O and O' intersect at A and B. If
AO'B = 50°, then find APB.​

Answer 1

Answer:

Thus ∠AOB=55°

Step-by-step explanation:

As shown in the fig

OA=OB=O'A=O'B=r

Thus OAO'B is rhombus

so ∠AOB=∠AO'B=55° (Opposite angle)

Thus ∠AOB=55°