Jawaban:
L = 2 x (10x5 + 10x2 + 5x2)
= 2 x (50 + 20 + 10)
= 2 x 80
= 160 cm²
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Jawaban:
L = 2 x (10x5 + 10x2 + 5x2)
= 2 x (50 + 20 + 10)
= 2 x 80
= 160 cm²