Height is 3 yards width is 2 yards. Find the surface area of the cylinder. Use the approximation of 3.14 for pi. (1 point) Responses 62.8 62.8 75.36 75.36 25.12 25.12 32.97

1 answer

To find the surface area of a cylinder, we use the formula:

\[ \text{Surface Area} = 2\pi r^2 + 2\pi rh \]

where:

  • \( r \) is the radius,
  • \( h \) is the height.

From the problem:

  • The width of the cylinder is given as 2 yards, which means the diameter of the cylinder is 2 yards. Therefore, the radius \( r \) is half of that: \[ r = \frac{2}{2} = 1 \text{ yard} \]

  • The height \( h \) is given as 3 yards.

Now we can plug in the values into the surface area formula.

  1. Calculate \( 2\pi r^2 \): \[ 2\pi r^2 = 2 \times 3.14 \times (1)^2 = 2 \times 3.14 \times 1 = 6.28 \]

  2. Calculate \( 2\pi rh \): \[ 2\pi rh = 2 \times 3.14 \times 1 \times 3 = 2 \times 3.14 \times 3 = 18.84 \]

  3. Add both results to find the total surface area: \[ \text{Surface Area} = 6.28 + 18.84 = 25.12 \]

So, the surface area of the cylinder is 25.12 square yards.

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