Question

What is the measure of arc WZY?

Question 2 options:

138°


111°


222°


69°

Answer 1

m arc WZY = 222°

Explanation:

Look at the picture.

m∠WOY = 2(m∠WZY)

We have m∠WZY = 69°. Therefore m∠WOY = 2(69°) = 138°.

m arc WZY = 360° - 138° = 222°