Answer:
Option A, 50 degrees
Step-by-step explanation:
<u>Step 1: Estimate this angle</u>
<em>Option A, works because looks about the size of 50 degrees</em>
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