Area of the circle in square feet = pi times radius squared
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Well, honey, if you wanna know how many square feet are in a 17 by 13 square foot area, you just gotta multiply those two numbers together. So, 17 multiplied by 13 gives you a total of 221 square feet. There you have it, darling, simple math for a simple question.
Using 3.14 as Pi the area of circle is: 907.46
In an area 16 feet by 17 feet there are 272 square feet Simply multiply 16 by 17.
The square of 17 is 289.
The square root of 289 is 17 since 172 or 17 * 17 = 289