passpadi

2008

Mathematics

JAMB

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°

B.

45°

C.

60°

D.

90°

Correct Answer: 60°

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 = 60°

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 = 60°
passpadi
©2023 Passpadi. All rights reserved.