Tolong kerkan bg yg mampu. Sedang butuh bantuan ini.

Sudut x:y:z = 2:3:3
=> 2x+3x+4x = 180° (segitiga)
9x = 180°
x = 180/9
x = 20

2x = 2(20) = 40°
3x = 3(20) = 60°
4x = 4(20) = 80°

a) 180°- (40°+80°)
= 180°- 120°
= 60°
b) 80°
c) 180°- (80°+60°)
= 180°- 140°
= 40°

Maaf klo salah