Arrange the set of sides or angles from smallest to greatest measure. Show your Solution.

Question

Answer 1

5x-20 + x + 15 + 2x -15 = 180

8x = 180+20 = 200

x =200/8 = 25

angles are 105, 40 and 35

5x-20 = 105 = largest angle

2x-15 =35 = smallest angle

x+15 = 40 = middle sized angle