Question

find the volume of a right circular cylinder if the radius of its base is 4.2 cm and height is 12 cm
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Answer 1

Radius - r = 4.2 cm.

height - h = 12 cm.

v = \pi \: r {}^{2} h = \pi \: 4.2 \: . \: 12

V - 665.01 cm³

≈665.01233 cm³