If the diameter of a circle is 22 cm, what will be its radius?
What will be the diameter of a circle whose radius is 15 cm?
In the figure, O is the circumcentre of the triangle ABC, AB = AC and the line OD is perpendicular to the side BC. If BC = 24 cm and OD = 5 cm, then find the circumradius.
What will be the radius of a circle with diameter 20cm?
If the radius of a circle is 8 cm then its diameter is ___.