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23 March, 13:04

A right cylinder has a radius of 6 m and a surface area of 84 m². Find the surface area of a similar cylinder with a radius of 2 m.

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  1. 23 March, 13:16
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    Set up a proportion.

    6/84 = 2/x

    X = the surface area of the circle with radius 2m.

    Cross multiply.

    6x=168

    X=28
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