Problem

Find the surface area of a cylinder with a height of $7 yd$ and a base radius of $2 yd$ .
Use the value 3.14 for $π$ , and do not do any rounding.
Be sure to include the correct unit.

Answer

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Answer

\mathrm{Surface\ Area} = 88.96 \mathrm{yd}^2

Steps

Step 1 ：\mathrm{Surface\ Area} = 2\pi r^2 + 2\pi rh

Step 2 ：\mathrm{Surface\ Area} = 2\pi (2^2) + 2\pi (2)(7)

Step 3 ：\mathrm{Surface\ Area} = 88.96 \mathrm{yd}^2

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