# 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 to Find the Perimeter of a Triangle?

The "perimeter" is the distance around a closed plane. In this article, you will learn how to calculate the perimeter of a triangle in four easy steps.

http://www.wikihow.com/Find-the-Perimeter-of-a-Triangle

## 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

## 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 Quadrangle?

A quadrangle is any figure that has four sides to it. Some examples of quadrangles are squares, rectangles and a parallelograms. The perimeter of the quadrangle is the sum of the length of each sid...
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http://www.ehow.com/how_8188524_perimeter-quadrangle.html