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Circumference & Area of a Circle

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Circumference & Area of a Circle. Circumference. =. Distance around outside circle. Diameter and Radius of a Circle. How did I get 12?. diameter. radius. 12. 6. Double the radius. 6x2 =12. Circumference. Circle. What is the formula?. Circumference = Pi times Diameter. C = p d. - PowerPoint PPT Presentation

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Page 1: Circumference & Area of a Circle
Page 2: Circumference & Area of a Circle

Distance aroundDistance around outside outside circlecircle

==

Page 3: Circumference & Area of a Circle
Page 4: Circumference & Area of a Circle

Circumference = Pi times Diameter

C = 18.84

C = d

C = (6)

C ≈ 18.8 units (un)

C = 18.84955592…

Page 5: Circumference & Area of a Circle

Everything Everything insideinside shaded (shaded (yellowyellow) area) area

==

Page 6: Circumference & Area of a Circle

Area = Pi times radius squared

A = r2

A = 32)

A = (9)

A = 28.27

A ≈ 28.3 units squared (un²)

A = 28.27433388…


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