The little square in the top left corner means it is a right angle which equals 90 degrees.
The bottom angle is given as 56.7 degrees.
The three inside angles of a triangle need to equal 180 degrees.
The missing angle = 180 - 90 - 56.7 = 33.3 degrees
Answer:
b
Step-by-step explanation:
<u>Sum of interior angles of a polygon:</u>
I would say the answer is 6
6 + 6 than times by two is 24