MathematicsEuclidean geometryWAEC
An arc of a circle subtends an angle of 110° at the centre. Find the angle it subtends at a point on the remaining part of the circumference.
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Answer: A. 55°
The angle at the centre is twice the angle at the circumference: 110° ÷ 2 = 55°.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.