lebar 1= 6 cm, panjang 1 = 8 cm
lebar 2 = 21 cm, panjang 2 = 21: 6 x 8 cm = 28 cm
a. luas setelah diperbesar = 21x28 = 588 cm2
b. perbandingannya ( 6x8) : 588 = 48:588 = 12:147
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lebar 1= 6 cm, panjang 1 = 8 cm
lebar 2 = 21 cm, panjang 2 = 21: 6 x 8 cm = 28 cm
a. luas setelah diperbesar = 21x28 = 588 cm2
b. perbandingannya ( 6x8) : 588 = 48:588 = 12:147