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How to Find the Area of a Circle, Given a Radius or a Diameter

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How to Find the Area of a Circle, Given a Radius or a Diameter

390,300 views October 26, 2012 3:25

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ChannelLearn Math Tutorials

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This tutorial shows how to find the area of a circle, given a diameter or a radius of a circle.

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About this tutorial

Learn Math Tutorials published this 3:25 video tutorial on October 26, 2012. It has been watched 390,300 times on YouTube.

Category
Education
Duration
3:25
Published
October 26, 2012
Views
390,300
Likes
3,189

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Further reading

  • How Do You Find the Area of a Circle if You Know the Radius ... virtualnerd.com

    If you have the diameter of a circle, you can use it to find the area of that circle. Just plug that value into the formula for the area of a circle and solve. Watch this tutorial to see how it's done!

  • Area of a Circle Calculator gigacalculator.com

    Task 1: Given the radius of a cricle, find its area. For example, if the radius is 5 inches, then using the first area formula calculate π x 5 2 = 3.14159 x 25 = 78.54 sq in. Task 2: Find the area of a circle given its…

  • Area of a Circle Calculator omnicalculator.com

    Area of a circle = π * r 2. Area of a circle diameter. The diameter of a circle calculator uses the following equation: Area of a circle = π * (d/2) 2. Where: π is approximately equal to 3.14. It doesn't matter whether…

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