jerichsen jerichsen

28-03-2018
Mathematics

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What is the diameter of the cylinder if the height is 13, and the volume is 1256? Use 3.14 for pi.

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Аноним Аноним

28-03-2018

Volume of a cylinder = πr²h

1256 = (3.14) x (r)² x (13)

1256 = 40.82r²

r² = 1256 ÷ 40.82

r² = 30.769

r = √30.69

r = 5.547

Diameter = Radius x 2

Diameter = 5.547 x 2

Diameter = 11.09 units (nearest hundredth)

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