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jari jari = 5cm
8 cm
Dit : perbandingan luas keduanya? ?
jawab:
ling.1 = phi x r^2
3,14 x 5^2(5x5)
3,14 x 25
78,5cm^2
ling.2 = phi x r^2
3,14 x 8^2
3,14 x 64 (8x8)
200,96cm^2
perbandingan luas = ling.1 : ling.2
78,5 : 200,96
maaf kalo salah
semoga membantu