Question

An angle is 4/5 of its complement . What is its
magnitude? ​

Answer 1

Answer:

Let the angle be x

Then its complement = 90 - x

According to question

x = 4/5 (90-x)

= 5x = 4(90-x)

= 5x = 360 - 4x

= 5x + 4x = 360

= 9x = 360

= x = 360/9

= x = 40 deg..

Hope it helps.....

Thanks