Question

What is the value of s?

Answer 1

s = 26°

Explanation:

The total degrees of a triangle is 180°

1. Create the formula:
`180=50+2s+3s`

2. Solve for S

`180=50+2s+3s\\180=50+5s \\ 180-50=5s \\ 130=5s\\(130)/(5) =s \\ 26=s`

3. Check by plugging in 26

`180=50+2(26)+3(26)\\ 180=50+52+78\\ 180=180`

Answer 2

The sum of interior angles of a triangle is 180
2s+3s+50=180
5s=130
S=26