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1 Jawaban
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1. Jawaban Cherry86
1/2×12cm×(9+7cm)=96cm2
1/2×12cm×(6+9+7cm)=132cm2
1/2×12cm×7cm=42cm2
Cari luas yg diarsir:
96cm2+132cm2-(2×42cm2)=228cm2-84cm2=144 cm2
Yg B
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