Question

An angle is 15 less than 4 times its complement. What are the two angle measures?

Answer 1

Answer:

Let the small angle is = A

big angle is. = B

A+B = 90

B = 4A-15

A+(4A-15) = 90

5A-15 = 90

5A = 90+15

5A = 105

A = 105/5

A= 21

B = 4A-15

B = 4×21-15

B = 84-15

B = 69