Find the angle subtended at the center of a circle by a chord which is...

Mathematics

JAMB 2008

Find the angle subtended at the center of a circle by a chord which is equal in length to the radius of the circle.

A. 30^o
B. 45^o
C. 60^o
D. 90^o

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Correct Answer: Option C

Explanation

If a length of a chord is equal to the length of a radius in the same circle, the triangle formed y the chord and the radii is an equilateral triangle
∴each angle = 60o

There is an explanation video available below.

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Find the angle subtended at the center of a circle by a chord which is...

Correct Answer: Option C

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