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Geometry: Calculating the Area of a Circle

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Use the radii or the diameter to calculate the area for each of the circles below. Use 3.14 as the value of Pi.

area = 28.26  cm2

area = 78.5  cm2

area = 153.86  cm2

area = 12.56  cm2

area = 19.625  cm2

area = 113.04  cm2

area = 153.86  cm2

area = 28.26  cm2

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More Geometry Worksheets Here - By HelpingWithMath.com

Related Resources

The various resources listed below are aligned to the same standard, (7G04) taken from the CCSM (Common Core Standards For Mathematics) as the Geometry Worksheet shown above.

Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.

Worksheets

Area and Volume
Shapes and Figures
Similarity, Congruence and Transformations

Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Solve real-life and mathematical problems involving angle measure, area, surface area, and volume

 

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