33.0k views
5 votes
Referring to the figure, find the unknown measure of angle ABC.

Referring to the figure, find the unknown measure of angle ABC.-example-1
User Yatko
by
7.8k points

1 Answer

2 votes

We know that for any inscribed angle on a cricle we have that:


m\angle ABC=(1)/(2)m\hat{AC}

Then in this case we have:


m\angle ABC=(1)/(2)(200)=100

Therefore the angle ABC is 100°

User Benjamin Maurer
by
6.8k points