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P = R , Q = S
P + Q + R + S = 360
2x + 3x + 2x + 3x = 360
6x + 4x = 360
10x = 360
x = 36
P = 2x = 2(36) = 72
Q = 3x = 3(36) = 108
Jawabannya D
10. K = M , L = N
K + L + M + N = 360
x+5 + 3x-25 + x+5 + 3x-25 = 360
2(x+5) + 2(3x-25) = 360
2x+10 + 6x-50 = 360
8x-40 = 360
8x = 400
x = 50
L = 3x-25 = 3(50)-25 = 150-25 = 125
Jawabannya D
Maaf kalo ada yang salah, semoga membantu :)