Question

Find the angle which is one fifth of its complement.

URGENT!!!!

Answer 1

given,
x = (90-x)×1/5
5x = 90-x
6x = 90
x = 90/6
x = 15
thus x = 90 - x = 90-15=75 degree

Answer 2

$x = (90 - x) \times \frac{1}{5} \\ 5x = 90 - x \\ 5x + x = 90 \\ 6x = 90 \\ x = \frac{90}{6} \\ x = 15 \\ \\ 90 - 15 = 75$