Answer:
The correct answer is option A. 90°
Explanation:
Points to remember
Measure of angles on the semicircle is 90°
From the figure we can see a semicircle and a triangle inscribes on it.
To find the measure of <XYZ
Here <XYZ is on the semicircle that is angle XYZ is a right angle.
Therefore m<XYZ = 90°
The correct answer is option A. 90°