Find the surface area of a cylinder with a height of \( 7 \mathrm{yd} \) and a base radius of \( 2 \mathrm{yd} \).
Use the value 3.14 for \( \pi \), 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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