Question

Can someone help me please

Answer 1

9514 1404 393

Answer:

(a) 25°

Explanation:

The angle marked 93° is the average of the arcs intercepted by the secant lines.

(161° +AD)/2 = 93°

161° +AD = 186° . . . . . multiply by 2

AD = 25° . . . . . . . . . . .subtract 161°