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Cylinders are effectively circular bases with height. Therefore, you can utilize the formulas for circles to determine the radius and diameter of a circle from the base area of a cylinder.

The surface area of a circle is found by multiplying the radius^2 by pi. Hence, dividing the circle's surface area by pi will give you the r^2. Finding the square root of that number will give you the radius.

For example:

A cylinder with a base area of 78.5398163397448309615 inches would have an r^2 measurement of 25. Square rooting 25 yields a radius measure of 5 inches.

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Q: How do you find the radius of a cylinder if only the base area and height are given?
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