jawab = rumus l. =(s2)+4×1/2×s×t
=(144)+4×1/2×12×10
=144+240
= 384 cm2 (D.)
semoga membantu;)...
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jawab = rumus l. =(s2)+4×1/2×s×t
=(144)+4×1/2×12×10
=144+240
= 384 cm2 (D.)
semoga membantu;)...