Question 33430
102+(38+x)+x = 180
102+38+2x = 180
140+2x = 180
2x = 180-140
2x = 40
x = 40/2 = 20 degrees
102;(38+20) = 58 degrees; 20 degrees are the measures of three angles

3x+5x+x = 180
9x = 180
x = 180/9 = 20 degrees

20 degrees; 5x = 5(20) = 100 degrees; 3x = 3(20) = 60 degrees are the measures of three angles