Question

The angles in a triangle are in the ratio 2:6:1. Find the sizes of these angles?

Answer 1

`20^@,40^@ and 120^@`

Explanation:

Let the three angles be `2x,6x and x`,
`=> 2x+6x+x=180^@`,
`=> 9x=120^@`
`=> x=20^@`

So the three angles are `40^@, 120^@ and 20^@`