MathematicsMensurationWAEC
A sector of a circle of radius 7 cm has an angle of 90°. Find the length of its arc. (Take π = 22/7)
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Answer: A. 11 cm
Arc = (90/360) × 2πr = 1/4 × 44 = 11 cm.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.