Tolong dong plissss….​

Jawab:

d = 7 cm

Penjelasan dengan langkah-langkah:

v = π r² t

385 = 22/7 × r² × 10

385 = 220/7 r²

r² = 385 × 7/220

r² = 2695 / 220

r² = 12.25

r = √12.25

r = 3.5

d = 2 × r

d = 2 × 3.5

d = 7 cm