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

Heron's Formula — quick quiz

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

Question 1 of 5

HARD

A triangle has sides in the ratio 3:4:5 and its perimeter is 84 cm. What is the area of the triangle?