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12.01 Review: Circumference and area

Interactive practice questions

Find the circumference of the circle shown, correct to two decimal places.

A circle is shown with a radius, indicated by a ray from the center to the circumference, labeled as 7 cm. An arrowhead points from the circle's center along the radius to the edge, highlighting the direction of the measurement.
Easy
1min

Find the circumference of the circle shown, correct to one decimal place.

Easy
1min

Find the circumference of the circle shown, correct to two decimal places.

Easy
1min

Find the circumference of the circle shown, correct to three decimal places.

Easy
1min
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Outcomes

II.G.GMD.1

Give an informal argument for the formulas for the circumference of a circle, area of a circle, volume of a cylinder, pyramid, and cone. Use dissection arguments, cavalieri's principle, and informal limit arguments.

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