Question

Quadrilateral ABCD is inscribed in this circle.

What is measure of angle A?
Enter your answer in the box.

Answer 1

59°

Explanation:

We know that, the opposite angles in a Cyclic Quadrilateral are supplementary. That is they're added upto 180°.

Therefore,

<A + <C = 180°

<A + 121° = 180°

<A = 180 - 121

<A = 59°