asked 118k views
4 votes
Quadrilateral ABCD is inscribed in a circle. What’s the measure of angle B

Quadrilateral ABCD is inscribed in a circle. What’s the measure of angle B-example-1

1 Answer

4 votes
When a quadrilateral is inscribed in a circle, the opposite angles are supplementary (they add up to 180 degrees)
x + 6x + 19 = 180
7x + 19 = 180
7x = 161
x = 23

Now substitute 23 for x.

6(23) + 19 = B
B = 157

I really hope this helps you =)

answered
User Mockman
by
8.8k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.