Question

I need some help pls

Answer 1

160°

Explanation:

∠C and ∠D are both inscribed angles of arc AB. Therefore, they are equal.

5w + 20 = 7w − 4

24 = 2w

w = 12

Therefore, ∠C = ∠D = 80°.

Inscribed angles are half the central angle, so mAB = 2 × 80° = 160°.