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Circle area and circumference

Find both measurements. Leave answers as exact multiples of π.

How to use this tool

Find both measurements. Leave answers as exact multiples of π.

Choose largest radius in cm and the number of questions.
Find both measurements. Leave answers as exact multiples of π.
Print the practice pages for learners; keep the answer pages for checking.

Up to 24 questions. Some topics use products of the selected range, so final values can be larger. Questions may repeat in small ranges.

Your entries stay in this browser. Print at 100% scale on matching A4 or Letter paper. Printing help

Sample questions

Circle: radius 3 cm. Area and circumference?
Circle: radius 7 cm. Area and circumference?
Circle: radius 3 cm. Area and circumference?

Check answers

A = 9π cm²; C = 6π cm
A = 49π cm²; C = 14π cm
A = 9π cm²; C = 6π cm

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