Question

The angle which is four times its complement is a)60 degrees b)30 degrees c)45 degrees d)72 degrees

Answer 1

Let the one angle be x and the other be 4x,

x+4x=90

5x=90

x=18

therefore,angle 72 is the angle which is four times its complement

So, your answer is option d.

Answer 2

Answer:

a option is correct.

hope it will help you.