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4 December, 07:46

A cylinder has a height of 21 cm and a volume of 11,144 cm³.

What is the radius of the cylinder?

Round your answer to the nearest whole number

+3
Answers (1)
  1. 4 December, 07:58
    0
    V = (pi (r) ^2) h

    11,144 = (3.14r^2) 21

    11,144/21=3.14r^2

    530.67/3.14=r^2

    169.003=r^2

    square root of that=13.0001

    so 13
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