MathematicsMensurationJAMB
Find the length of an arc of a circle of radius 14 cm that subtends an angle of 90° at the centre. (Take π = 22/7.)
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Answer: A. 22 cm
Arc = θ/360 × 2πr = ¼ × 2 × 22/7 × 14 = 22 cm.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.