MathematicsMensurationWAEC
Find the length of the arc of a circle of radius 14 cm that subtends 90° at the centre. [π = 22/7]
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Answer: D. 22 cm
Arc = 90/360 × 2 × 22/7 × 14 = 1/4 × 88 = 22 cm.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.