Question

One angle is four times as large as another angle. If the angles are complementary, what are the measures of the angles?

Answer 1

`18` and `72`

Explanation:

`x = 4y`

`x + y = 90`
`4y + y = 90`
`5y = 90`
`y = 18`

`x = 4(18) = 72`