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L.Trapesium: [(4+10)x8] : 2 = [14x8] : 2 = 112 : 2 = 56 cm²
L.Segitiga: (10x10) : 2 = 100:2 = 50 cm²
L.total= 56+50 = 106 cm²
jawaban C
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semoga membantu, :)