Question

Given: circle k(O),

m
LI
=(4x)°, m
IJ
=(5x)°,
m∠LIJ=(3x)°
Find: m∠LIJ.

Answer 1

m∠LIJ = 72°

Explanation:

LJ = y

4x + 5x + y = 360°

3x = 1/2(y)

x = 72°