Question

Last question...this is geometry. 15 points to whoever gets it right and can explain

Answer 1

Answer: x=10

Explanation:

sum of all the angles inside triangle is equal to 180degrees.

First angle: 9x-16

Second angle: 7x-5

Third angle: 3x+11

let's sum this angles:

9x-16+7x-5+3x+11=19x-10=180

19x=180+10=190

x=190/19=10