Mencari x:
4x + 5x = 180 (berpelurus)
9x = 180
x = 180/9
x = 20°
Mencari p:
8p = 5x (sehadap)
8p = 5(20)
8p = 100
p = 100/8
p = 12,5°
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Mencari x:
4x + 5x = 180 (berpelurus)
9x = 180
x = 180/9
x = 20°
Mencari p:
8p = 5x (sehadap)
8p = 5(20)
8p = 100
p = 100/8
p = 12,5°