Persegi
L = S²
L = 40²
L = 40 × 40
L = 1.600 cm²
K = 4 × S
K = 4 × 40
K = 160 cm
Persegi panjang
L = P × L
L = 10 × 20
L = 200 cm²
s = 40 cm
L = s × s
K = 4s
L = p × l
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Persegi
L = S²
L = 40²
L = 40 × 40
L = 1.600 cm²
K = 4 × S
K = 4 × 40
K = 160 cm
Persegi panjang
L = P × L
L = 10 × 20
L = 200 cm²
Nomor 1
s = 40 cm
L = s × s
L = 40 × 40
L = 1.600 cm²
K = 4s
K = 4 × 40
K = 160 cm
Nomor 2
L = p × l
L = 10 × 20
L = 200 cm²