Mathematics for IGCSE & O level - Equations (Section 1 - No. 46) | ExamPlay

Mathematics for IGCSE & O level - Equations (Section 1 - No. 46)

What is the area of a circle whose radius is 7 units?

14 π

49 π

7 π

28 π

Vysvětlení

A = πr^2 = π*7^2 = 49π

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