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Area cannot be measured in cm: area is a 2-dimensional measure, cm is only one dimensional.

Assuming then, that the area is 660 cm2,

total surface area of a cylinder = 2*pi*r*L + 2*pi*r2 where r, the radius is D/2 = 7 cm.

So 660 = 14*pi*L + 98*pi

That is 14*pi*L = 352.1

So that L = 352.1/(14*pi) = 8.0 cm (approx).

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11y ago
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Q: How do you find the height of a cylinder with its area and diameter. Area equals 660cm D equals 14cm?
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