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5" circle ='s how many sq. inches

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  • 5" circle ='s how many sq. inches

    how many square inches in a 5" circle?

  • #2
    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
      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)

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      • #4
        Re: 5" circle ='s how many sq. inches

        Originally posted by boxbar View Post
        how many square inches in a 5" circle?
        5 x 5 =25 x .7854 = 19.635

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        • #5
          Re: 5" circle ='s how many sq. inches

          thank u, gr8ly appreciated!

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          • #6
            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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