If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Circles — quick quiz

5 real SOF IMO questions on Circles. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

In a circle with centre O, chord AB is 24 cm long and its distance from the centre is 5 cm. What is the radius of the circle?