Penjelasan dengan langkah-langkah:
Keliling persegi panjang
= 2 ( p + l )
= 2 ( 45 + 20 )
= 2 × 65
= 130 m
L. jalan
= p × l
= 130 × 1
= 130 m²
biaya = 130 × Rp 42.000,00
= Rp. 5.460.000,00
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Penjelasan dengan langkah-langkah:
Keliling persegi panjang
= 2 ( p + l )
= 2 ( 45 + 20 )
= 2 × 65
= 130 m
L. jalan
= p × l
= 130 × 1
= 130 m²
biaya = 130 × Rp 42.000,00
= Rp. 5.460.000,00