10. Four mark exercise problems III

A school ground is in the shape of a circle with radius \(103 \ m\). Four tracks each of \(3 \ m\) wide has to be constructed inside the ground for the purpose of track events. Find the cost of constructing the track at the rate of \(₹50\) per \(sq.m\).

 

 

 

Cost of constructing the track \(= ₹\)