Since this is a triangle all the angles within the triangle add up to 180 degrees so.... 82+(9x+2)+(7x)=180 82+2+16x=180 16x+84=180 16x=96 X=6 If we plug in X to angle(9x+2) and angle (7x) we will get 56 and 42. We can get angle 2 by subtracting 180-42 which is 138 FINAL ANSWER: 138 degrees
