Find the angle subtended at the center of a circle by a chord which is equal in length to the radius of the circle.
- 30o
- 45o
-
60o
- 90o
The correct answer is: 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
β΄each angle = 60o
There is an explanation video available .