Question

Glven the following diagram, IfmXCOF = 150°, then mZBOC =
ADIS
B
D

Answer 1

∠ BOC = 30°

Explanation:

Given ∠ COF = 150°

∠ BOC + ∠ COF = 180° ( BF is a straight angle ) , that is

∠ BOC + 150° = 180° ( subtract 150° from both sides )

∠ BOC = 30°