luas lingkaran 3.850cm²,jari jarinya=......,diameter=......
Matematika
AndreasVernandez
Pertanyaan
luas lingkaran 3.850cm²,jari jarinya=......,diameter=......
1 Jawaban
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1. Jawaban hara00
luas lingkaran = πr²
3850 = 22/7 × r²
r² = 3850 × 7/22
r² = 1225
r = 35 cm
jari-jari = 35 cm
diameter = 35 × 2 = 70 cm