Multiple choice

Find the area of the curved surface of a cylindrical box with radius 12 inches and height 20 inches.

  1. $\displaystyle 1505.1{ in }^{ 2 }$
  2. $\displaystyle 1506.5{ in }^{ 2 }$
  3. $\displaystyle 1507.5{ in }^{ 2 }$
  4. $\displaystyle 1507.2{ in }^{ 2 }$
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AI explanation

Using the curved surface area of a cylinder formula, 2 * pi * r * h, we substitute the given radius of 12 inches and height of 20 inches. This yields 2 * 3.14 * 12 * 20, which equals 1507.2 square inches.

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