240,654 views
37 votes
37 votes
C is the center of the circle. Find the mZx'.AB.D40°E

C is the center of the circle. Find the mZx'.AB.D40°E-example-1
User Swadhikar
by
2.5k points

1 Answer

13 votes
13 votes

For the given circle:

The shape ABED is a cyclic quadrilateral

so, the sum of every opposite angles = 180

so,


x+40=180

Solve for x:


x=180-40=140

So, the answer will be x = 140

User Richard Wheeldon
by
3.1k points