tolong bantu jawab ya makasih
Matematika
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Pertanyaan
tolong bantu jawab ya makasih
1 Jawaban
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1. Jawaban ardaxx11
Luas = phi × r^2
15400 = 22/7 × X^2
X^2 = 15400 × 7/22
= 7 × 700
= 4900
X = akar 4900
=70
Diameter = 70 × 2 = 140