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#1
01-05-2009, 06:41 AM
 boxbar Guest Posts: n/a
5" circle ='s how many sq. inches

how many square inches in a 5" circle?
#2
01-05-2009, 08:30 AM
 Sandra Double Ultimate Supreme Member Join Date: May 2007 Location: California Posts: 1,956 Rep Power: 9
Re: 5" circle ='s how many sq. inches

Try this conversion chart http://www.onlineconversion.com/shape_area_circle.htm
if you meant 5" diameter the answer is 19.634954084936208
You will really love the conversion chart because you can enter in diameter or radius or circumference and the chart will calculate the rest.
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#3
01-06-2009, 06:55 PM
 Dirtman Senior Member Join Date: Dec 2008 Posts: 157 Rep Power: 6
Re: 5" circle ='s how many sq. inches

Online calculators are great . . . unless you don't have a computer handy! Try just using the formula for the area of a circle: PI * Radius Squared

If the diameter is 5", the radius is 2.5"

2.5"^2 * PI
6.25 * 3.1415927 = 19.6349540849 (what Sandra said)
#4
09-20-2009, 06:39 PM
 Unregistered Guest Posts: n/a
Re: 5" circle ='s how many sq. inches

Quote:
 Originally Posted by boxbar how many square inches in a 5" circle?
5 x 5 =25 x .7854 = 19.635
#5
03-18-2011, 05:22 PM
 Unregistered Guest Posts: n/a
Re: 5" circle ='s how many sq. inches

thank u, gr8ly appreciated!
#6
08-03-2011, 07:33 AM
 Unregistered Guest Posts: n/a
Re: 5" circle ='s how many sq. inches

Thank-you Sandra your answer will help me save some money. Thank again.

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