Jawaban:
luas ukuran awal=p × l=7 x 5 =35 cm
luas ukuran setela diperbesar = 1:20
=(5x20)(7x20)=100x140=14000
perbandingan
35:14000
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Jawaban:
luas ukuran awal=p × l=7 x 5 =35 cm
luas ukuran setela diperbesar = 1:20
=(5x20)(7x20)=100x140=14000
perbandingan
35:14000
ukuran awal = 5 x 7
diperbesar = 1 : 20
maka=
Luas mula2 = 5 x 7 = 35 cm
ukuran setelah diperbesar =
lebar : 5 x 20 = 100 cm
panjang : 7 x 20 = 140 cm
luas perbesaean = 100X140 = 14.000 cm persegi
jd perbandingan = 35 : 14.000
= 1 : 400