Asked by Chukwuma

Mathematics
Calculate the volume of a cylindrical steel bar which is 8cm long and 3.5cm in diameter
Answered by oobleck
as always, v = πr^2 h
so plug in your numbers.
Answered by R_scott
volume is, the area of the cross-section, multiplied by the length

v = [π * 3.5 cm)^2] * 8 cm
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