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Skala = 1 : 4000
Jp = panjang 2,5 cm dan lebar 1,5 cm
Ditanya
A. Panjang js ?
B. Lebar js ?
C. Luas js ?
Jawab
Jp = Js x s
Js = Jp ÷ s
Js panjang
= 2,5 ÷ 1/4.000
= 2,5 × 4.000
= 10.000 cm
Js lebar
= 1,5 ÷ 1/4.000
= 1,5 × 4.000
= 6.000 cm
Luas
= p x l
= 10.000 × 6.000
= 60.000.000 cm^2
= 6.000 m^2