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7.03 Circumference of a circle

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

7.G.4

Circles and measurement: a. Know that a circle is a two-dimensional shape created by connecting all of the points equidistant from a fixed point called the center of the circle. b. Understand and describe the relationships among the radius, diameter, and circumference of a circle. c. Understand and describe the relationship among the radius, diameter, and area of a circle. d. Know the formulas for the area and circumference of a circle and solve problems. e. Give an informal derivation of the relationship between the circumference and area of a circle.

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