What is the value of xx in a triangle with angles 70, 6070,60, and 8x + 28x+2?

1 Answer
Dec 17, 2015

x=6x=6

Explanation:

Since any triangle has a sum of interior angles of 180^@180, we can set up an equation to solve for xx:

70+60+(8x+2)=18070+60+(8x+2)=180
60+(8x+2)=11060+(8x+2)=110
8x+2=508x+2=50
8x=488x=48
x=6x=6

:., the value of x is 6.