Question

in a rectangular garden which measures 50 m by 35 m,a lawn is laid in the centre, leaving a 2 metre wide path all around. find the area of the lawn. The path is to paved at the rate of Rs.5 per sq m. Find the cost of paving the path.
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Answer 1

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Rs. 10680

Step-by-step explanation:

Inner  rectangle                             Outer rectangle

l =  50m                                           L  =  54m    

b= 35m                                           B  =  39m

Area of the path   = Area of outer rectangle   -  Area of inner rectangle

                              =      ( L x B )      -  ( l x b)

                             =   ( 54 x 39 )   -  (50 X35)

                            =   2106   -  1750

                            =  356  m²

Cost of levelling   =  356 x 30

                              = Rs. 10680

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