Jawaban:
D.18
Penjelasan dengan langkah-langkah:
L = 81π cm²
⇒ πr² = 81π
⇒ r² = 81
⇒ r = √81
⇒ r = 9 cm
maka
d = 2r
⇒ d = 2(9)
⇒ d = 18 cm
semoga bermanfaat maaf klo salah
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Jawaban:
D.18
Penjelasan dengan langkah-langkah:
L = 81π cm²
⇒ πr² = 81π
⇒ r² = 81
⇒ r = √81
⇒ r = 9 cm
maka
d = 2r
⇒ d = 2(9)
⇒ d = 18 cm
semoga bermanfaat maaf klo salah