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1.025 Perimeter of circular shapes

Interactive practice questions

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

 

A circle with a diameter is presented. The length of the diameter is measured 13 cm. 
Easy
< 1min

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

Easy
1min

If the radius of a circle is equal to $27$27 cm, find its circumference correct to one decimal place.

Easy
< 1min

A circular running track has a diameter of $23$23 metres. How many laps must be completed to run $1600$1600 metres?

Give your answer correct to one decimal place.

Medium
2min
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Outcomes

ACMEM091

calculate perimeters of familiar shapes, including triangles, squares, rectangles, polygons, circles, arc lengths, and composites of these

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