Tolong dong nomor 5 dan 6

nomer 5:
x + 15 + 2x + 3x = 180
6x + 15 = 180
6x = 165
x = 27, 5

A = 2x = 2(27,5) = 55...........................A

nomer 6:
180 - 140 + 2y + 10 + y + 10 = 180
3y = 120
y = 40

CAB = y + 10 = 40 + 10 = 50.................................C