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Kelas 5 MatematikaBab Pengukuran
Luas sebenarnya
= p x l x (1/skala)²
= 15 cm x 9 cm x (1/(1/150))²
= 135 cm² x 22.500
= 3.037.500 cm²
= 303,75 m²
PD = 15 / 1: 150 = 15 × 150 / 1 = 2.250 cm = 22,5 m
PL= 9 / 1 : 150 = 9 × 150 / 1= 1350 = 13 , 5 m
22,5 × 13 , 5 = 303,75 m2