# A circle is 2106 sq ft. find the radius of the circle to the nearest foot (use 3.14 for pi)?

Since area = r*r*pi, and we want to find the radius, let's set this up like an equation, using r as the variable that represents the radius (and the value we're looking for). Let's also write it as...
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http://answers.yahoo.com/question/index?qid=20130419195859AAKnbOC

## How Do You Find the Perimeter of a Cube?

Finding a perimeter for a cube might seem difficult since perimeters are generally associated with two-dimensional shapes, and a cube is a classic three-dimensional object. A cube, though, can be v...
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http://www.ehow.com/how_8137690_do-perimeter-cube.html

## How to Find the Perimeter of a Quadrilateral?

A quadrilateral is any four-sided shape. Squares, rectangles, trapezoids, diamonds, kites and rhombuses are all quadrilaterals, but so is any shape with four straight sides. As such, there is no fo...
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http://www.ehow.com/how_8238687_perimeter-quadrilateral.html

## How to Find the Perimeter With a Ruler?

The perimeter is the distance around an object. If you have a ruler, this is a simple calculation. You need to know the measurement of each side of your object. Once you have the measurements for e...
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http://www.ehow.com/how_8342424_perimeter-ruler.html

## How to Find the Perimeter of a Prism?

Prisms are polyhendric geometric forms that come in several forms --- that means that they are solid and exist in three dimensions. It also means that their surface area is flat --- unlike a sphere...
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http://www.ehow.com/how_8365534_perimeter-prism.html