Question

Find the value of x when DBO is 40*

Answer 1

Answer:

100° is the answer

Step by step explanation:

BDO = DBO = 40° ( DO = BO (radius), angles opposite to equal side are equal)

DOB = 180°- (40°+40°). (Angle sum property)

= 100°

x = DOB = 100° ( Vertically opposite angles)