Question

Find X and missing angle

Answer 1

15

Explanation:

all triangles are 180 so 180-75-90 =15

Answer 2

x = 2.22

missing angle = 15°

Explanation:

tan 75° = 12/x

tan 75° = 3.7321

x = 12/3.7321 = 2.22

missing angle = 90° - 75° = 15°