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.
30o -
B.
45o -
C.
60o -
D.
90o
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