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Malina
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What is the circumference formula for circles?
 or
 where d is diameter, and r is radius.

Formula for the area of a circle.
A=

What do you do when you want to find the exact area of a circle?
First, you square the value of the radius. Then, you do NOT multiply

What do you do when you want to find the approximate area of a circle?
First, square the value of the radius. Then, multiply

What is the approximate value of ?
3.14

How do you name a circle?
By its center point

