Diketahui panjang dan lebar suatu persegi panjang masing-masing 6cm dan 4cm , tentukan ?

tentukan apa? keliling atau luas?
p = 6 cm
l = 4 cm

K = 2 (p+ l)
K = 2 (6 + 4)
K = 2 × 10 = 20 cm

L = p × l
L = 6 × 4
L = 24 cm²

=> P = 6 cm
=> l = 4 cm
=> Luas = P × l = 6 cm × 4 cm = 24 cm²
=> Keliling = 2 × ( P + l ) = 2 × ( 6 cm + 4 cm ) = 2 × 10 cm = 20 cm
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