Sebuah lapangan mempunyai 27m dan lebar 8dm tentukan luas dan keliling lapangan tersebut
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Diketahui :
panjang = 27 cm
lebar = 8 dm = 80 cm
Ditanya :
1. luas ... ?
2. keliling ... ?
Jawaban :
1. L = p × l
= 27 × 80
= 2.160 cm²
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2. kll = 2 × (p + l)
= 2 × (27 + 80)
= 2 × 107
= 214 cm
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