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Mathematics for IGCSE & O level - Mensuration (Section 9 - No. 11)

What is the area of a circle with a diameter of 14 cm?
43.96 cm²
153.86 cm²
615.44 cm²
87.92 cm²

설명

Radius = Diameter / 2 = 7 cm. Area = πr². Area ≈ 3.14 * 7² ≈ 153.86 cm²

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