anastazialightf anastazialightf

17-03-2018
Mathematics

contestada

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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tdpuppies14 tdpuppies14

17-03-2018

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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