Answer:
Option A, 50 degrees
Step-by-step explanation:
Step 1: Estimate this angle
Option A, works because looks about the size of 50 degrees
Option B, doesn't work because it is not more than a right angle.
Option C, doesn't work because it is not an obtuse angle.
Option D, doesn't work because there is no way it is 15.
Answer: Option A, 50 degrees
