.A rectangular lawn is 40 m by 25 m .It has two roads each 2 cm wide running in the middle of it,one parallel to the length and other parallel to the breadth .Find the area of the roads.
Answers
A rectangular lawn 60 meters by 40 meters has two roads each 5 meters wide running in the middle of it one parallel to length and the other parallel to breadthArea of the road=40×5+60×5−5×5 =200+300−25 =475sqm
Given
,Cost of graveling the roads =60 paise per sq meter.∴475×60paise=28500 paise
A rectangular lawn 60 meters by 40 meters has two roads each 5 meters wide running in the middle of it one parallel to length and the other parallel to breadthArea of the road=40×5+60×5−5×5 =200+300−25 =475sqmGiven,Cost of graveling the roads =60 paise per sq meter.∴475×60paise=28500 paise=Rs.285
Step-by-step explanation:
Given,
A rectangular lawn 60 meters by 40 meters has two roads each 5 meters wide running in the middle of it one parallel to length and the other parallel to breadth
Area of the road=40×5+60×5−5×5
=200+300−25
=475sqm
Given,
Cost of graveling the roads =60 paise per sq meter.
∴475×60paise
=28500 paise
=Rs.285