Question

Question 4
pls help me as soon as possible
i'm being timed i only have a hour

Answer 1

∠ B = 121°

Explanation:

ABCD is a cyclic quadrilateral

• opposite angles sum to 180°

∠ B and ∠ D are opposite angles , then

∠ B + 59° = 180° ( subtract 59° from both sides )

∠ B = 121°