Question

angle 3 and angle 9 are cmplementary. If measure of angle 3 = 3x-7 and the measure of angle 9= 4x-1, find angle 3

Answer 1

35°

Explanation:

angle3 = 3x-7

the two angles are complementary ( they sum to 90)

4x-1 + 3x-7 = 90

7x - 8 = 90

7x = 98

x = 14 then angle3 = 3x-7 = 35°