Jawab donk pake cara plisss
Jawaban Terkonfirmasi
5x+4x=180°
9x=180°
x=180°/9
x=20°
y=5x
=5(20°)
=100°
z=4x
=4(20°)
=80°
5x + 4x + y + z = 360
9x + y + z = 360
y = 5x
z = 4x
Karena trapesium sama kaki
Jadi 18 x = 360
x = 360 : 18 = 20
nilai x = 20
y = 5x = 5.20 = 100
z = 4x = 4.20 = 80
CMIIW