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With the radius of 3.5 inches and the height of 15 inches what is the square inches

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It sounds like you are trying to determine the surface area of a cylinder.

The area of the top and the bottom of the cylinder (which are circles) are pi x r ^ 2. Since there are two of them, we have to multiply this answer by 2.

The surface area of the side is going to be the circumference of the circle times the height. The circumference is 2 x pi x r and the height is 15 inches.

To get the total surface area, we have to add these amounts together.

Good luck,


Posted on May 23, 2017


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I have no idea about your knowledge of calculus. But the solution requires calculus (I am in no mood to introduce a Delta V and Delta t and let Delta t approach zero.)

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SOURCE: How many square inches in 31 1/8 x 15 3/4 inches

31.125 multiplied by 15.75 = 490.21875 square inches.
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Posted on Apr 07, 2015

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