Sarah needs a PVC pipe with a diameter of 10 inches and a heigh of 2 inches, how much material is needed to make 5 pipes?

314.2in^2

Step-by-step explanation:

GIven data

diameter= 10in

radius= 5in

Height= 2in

The expression for the curved surface area (CSA) of a cylinder is given as

CSA=2πrh

CSA=2*3.142*5*2

CSA=62.84 in^2

The material needed to make one pipe is 62.84in^2

Hence the material need for 5 pipes is

=62.84*5

=314.2in^2

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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