NCERT Exercise 10.1 Q2 - Heron's Formula
Question: The triangular side walls of a flyover have sides 122 m, 22 m and 120 m. Advertisements yield ₹5000 per m² per year. A company hired one wall for 3 months. How much rent did it pay?
Answer: The company paid ₹16,50,000.
Full step-by-step NCERT solution with diagrams on Something by Zero.