Mathematics for IGCSE & O level - Mensuration (Section 8 - No. 26) | ExamPlay

Mathematics for IGCSE & O level - Mensuration (Section 8 - No. 26)

To determine the area of a circle, which of these must be known?

Radius

Diameter

Circumference

Height

Explanation

Area = πr² or using diameter, radius = diameter/2

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