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What is the formula for area of a circle?

 Apr 2, 2015

Best Answer 

 #1
avatar+7 
+10

A= pi*r^2

 

Example:

Find the area of a circle with a radius of 3. 

 

Formula: A= pi*r^2

A= pi*3^2

A= pi*9

A= 28.27

 

Give or Take. Make sense? 

 

Hope it helps!

 Apr 2, 2015
 #1
avatar+7 
+10
Best Answer

A= pi*r^2

 

Example:

Find the area of a circle with a radius of 3. 

 

Formula: A= pi*r^2

A= pi*3^2

A= pi*9

A= 28.27

 

Give or Take. Make sense? 

 

Hope it helps!

eannehail Apr 2, 2015
 #2
avatar+118612 
0

Hi eannehail,

Welcome to the forum,   

I gave you an extra 3 points to help get you on your way :)

 Apr 2, 2015

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