JAMB - Mathematics (2008 - No. 26)

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

30^o

45^o

60^o

90^o

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

JAMB - Mathematics (2008 - No. 26)

Explanation

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