Question

Find the missing angle measure

Answer 1

Answer: x=78

Explanation:

angles with a square at the vertex are 90 degrees. to find x, subtract the known angle from 90.

90-12=78

Answer 2

78 degrees

Explanation:

a right angle is 90 degrees. The number given to you (which is 12) must be subtracted by 90

90-12=78