p = r
s = q
5x + 4x + 5x + 4x = 360
18x = 360
x = 20
sudut pqr = titik sudut s
5x
5 × 20 = 100
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p = r
s = q
5x + 4x + 5x + 4x = 360
18x = 360
x = 20
sudut pqr = titik sudut s
5x
5 × 20 = 100