no 4 aja pake cara yakk
Matematika
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Pertanyaan
no 4 aja pake cara yakk
1 Jawaban
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1. Jawaban cupid85
La = π × r² × t
154 = 3,14 × r² × 18
154 = 56,52 r²
r² = 154 ÷ 56,52
r = √2,7
r = 1,6 cm
d = 2 × r
d = 2 × 1,6
d = 3,2 cm