Question

if o is the center of circle, find the value of x ​

Answer 1

Answer:

x = 40°

Step-by-step explanation:

Angle CBD = 90°

Angle CBO = 40°

Angle DBO = 90° - 40° = 50°

Angle BOD = 90°

90° + 50° + x = 180° ( Angle Sum Property)

140° + x = 180°

x = 180° - 140°

x = 40°