Question

What is the measure of STY in O below

Answer 1

Answer:

310

Step-by-step explanation:

Answer 2

Answer:

B) 310°

Step-by-step explanation:

The measure of arc SY is 50°.  This is because SOY is a central angle, and central angles have the same measure as their arc.

This means that arc STY, which is the rest of the circle, would have measure of

360-50 = 310°.