Proses bro.panjang diameter sebuah lingkaran 44cm.luas lingkaran itu…..cm pangkat 2
Jawaban Terkonfirmasi
D= 44 cm
Ditanya= L?
L= 1/4 πr²
L= 1/4 x 3,14 x 44 x 44
L= 3,14 x 11 x 44
L= 34,54 x 44
L= 1519,76 cm²
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R = d ÷ 2
= 44 ÷ 2
= 22
L = π × r²
= 3,14 × 22 × 22
= 3,14 × 484
= 1.519,76 cm²