Question

an angle is 4 times of its complementary angle find the angle and its supplementary angle

Answer 1

Let the angle be x

It's complementary angle = 90-x

As per given condition

x = 4 (90-x)

x = 360- 4x

x + 4x = 360

5x = 360

x = 360/5

x = 72

So supplementary angle = 180 -x

=180-72 =108