Mathematics for IGCSE & O level - Mensuration (Section 13 - No. 18) | ExamPlay

Mathematics for IGCSE & O level - Mensuration (Section 13 - No. 18)

If the radius of a circle is r, what is the formula for its circumference?

πr²

2πr

πr

4/3πr³

Explanation

The circumference of a circle is given by the formula 2πr.

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