K = 2 × (p + l)
K = 2 × (20 + 8)
K = 2 × 28
K = 56 cm
L = p × l
L = 20 × 8
L = 160 cm²
K = 2(p + L)
= 2(20 + 8)
= 2(28)
= 56 cm
L = P × L
= 20 × 8
= 160 cm²
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K = 2 × (p + l)
K = 2 × (20 + 8)
K = 2 × 28
K = 56 cm
L = p × l
L = 20 × 8
L = 160 cm²
» Penyelesaian
K = 2(p + L)
= 2(20 + 8)
= 2(28)
= 56 cm
L = P × L
= 20 × 8
= 160 cm²