Introduction: Area of a Circle

About: I love computers and know a lot about them. I also love music and music making.

Finding the area of a circle sounds confusing, but is actually an easy task.
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Step 1: Radius and Diameter

Every circle has a radius and a diameter. The diameter is the distance from one edge to another, as long as the line passes through the middle of the circle. The radius is the distance from the middle of the circle to any point on the edge of the circle. The radius is half of the diameter. You will only need the radius for this Instructable.

Step 2: Formula

A formula is an equation involving variables used to solve the size of something. The formula for area of a circle is a = PI r(squared)
a is the area
PI is approximately 3.14
r is the radius
Squared means a number times itself. usually expressed as a small 2 above the value.

Step 3: Now Ace That Test!

Now that you know how to find the area of a circle, you can ace tests like mad!
Good luck and remember to vote!

Burning Questions Round 6.5

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