Question

diameter of road roller is 84 cm and it's length is 240 it's takes 500 to complete revolution to roll over the play ground find the area of play ground ​

Answer 1

Answer:

Step-by-step explanation:

Length (h) = 240 cm

Diameter of road roller =84 cm

Radius =42 cm

Csa og roller =2pie r h

2 *22/7*42*240

2*22*6*240 = 63360 cm sq

Revolution =500

So area of ground 500*63360=31680000cm sq

3168 m square