29. Exemplar Exercise Problems XV

The triangular side walls of a flyover have been used for advertisements. The sides of the walls are \(13 m\), \(14 m\) and \(15 m\). The advertisements yield an earning of \(Rs.2000\) per \(m^2\) a year. A company hired one of its walls for \(6\) months. How much rent did it pay?

 

Total cost \(=Rs.\)