Question

The measures of the three angles of a triangle are represented by x,3x, and x+30 . Find the value of x .

1. 15
2. 30
c. 42
d. 65

Are they suppose to equal to 180 degrees ?

Answer 1

Yep, total angles = 180

Answer 2

Yes. Add them up and set the sum equal to 180. Solve for x

Answer 3

so it would 5x+30=180 @Mertsj

Answer 4

x+30+3x+x=180

5x+30=180

5x=150

x=30

Answer 5

thanks both @Luis_Rivera @Mertsj

Answer 6

yes, you are correct.