Question

Solve for X.

A. 5 degree
B. 7 degree
C. 6 degree
D. 4 degree

Help!!!

Answer 1

x = 4°

Explanation:

The box in the top right angle of the diagram lets us know that all of these angles equal 90° !

To find x, we just need to do simple algebra and use the info above.

21x + 6 = 90 °

21x = 90 - 6

21x = 84

x = 84 / 21

x = 4°