Question

Hitunglah:
a. x
b. y
c. x-y

Answer 1

X = 2y

(3x+2y)+x = 180
4x+2y = 180
4.2y+2y = 180
8y+2y = 180
10y = 180
y = 180:10
y = 18°

x = 2y
x = 2.18°
x = 36°

x-y = 36°-18°
x-y = 18°