Mathematics for IGCSE & O level - Algebraic Manipulation (Section 7 - No. 44) | ExamPlay

Mathematics for IGCSE & O level - Algebraic Manipulation (Section 7 - No. 44)

The formula for the area of a circle is πr^2. If r=3, find the area.

3π

6π

9π

12π

Explanation

Area = π * 3^2 = 9π

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