193k views
4 votes
Please help this is my last question

Please help this is my last question-example-1

1 Answer

3 votes

Answer:

y = 90°

Explanation:

The angle y subtends an arc of 180°, so its measure is 180°/2 = 90°. (We know the arc is 180° because the end points of it are on a diameter, so it is half a circle.)

User Albusshin
by
7.4k points