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

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

What does 'r' represent in the formula for the area of a circle (A = πr²)?

Diameter

Circumference

Radius

Height

Explanation

'r' stands for the radius of the circle.

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