Question

What’s the value of X

Answer 1

37

Explanation:

90+53=143

a triangle is 180 degrees.

180-143=37

Answer 2

37

Explanation:

The angle with a red square is 90, because it's a right angle. 53 + 90 is 143. 180 is the sum of all the angles in a triangle, so you do 180-143. 180-143=37