Question

A rectangular park 35 m long and 18 m wide is to be covered with grass, leaving 2.5 m uncovered all around it .Find the area to be laid with grass.

Answer 1

Correct Answer - `240 m^(2)`
`"Outer area "=(35xx10)m^(2)=630m^(2)`
`"Inner area"=(30xx13)m^(2)=390m^(2).`
`"Grass area "=(630-390)m^(2)=240 m^(2).`