Math, asked by vishakha40, 1 year ago

A rectangular lawn 40m by 20m has two roads , each 5 m wide running in the middle of it , one parrallel to length and other parallel to the breadth . Find the cost of graveling the roads at rs 125 per m2

Answers

Answered by syedmdsaif827
0
Seene mein tere pyaar ki
Udti hai patangein
Udke yoon hawa mein tera
Main aanchal huaa.

O bheega hoon tere saath main
Baarishon mein teri
Bikhri jo teri zulf toh
Main baadal hua

Teri kaali ankhein
Mere khwaab ka hai dariya
Main utar ke inmein kho gaya

vishakha40: maine answer poocha tha
vishakha40: ganna nhi
syedmdsaif827: haha sry
Answered by chocodudle
0

hey mate!!!!!!!!!!!!!!

area of the rectangular lawn=40×20

                                               =800m²

length of one road=40m

           breadth= 5m

area of one road=40×5

                                =200m²

length of another road=20m

        breadth=5m

area of another road= 20×5

                                    =100m²

area of the part which is repeated two times between the roads=l×b

                                                                                                           =5×5    

                                                                                                          =25m²

area of roads = area of one road +another road-the repeated region

                        = 200+100-25

                           =275m²

cost of graveling the rods= 275×125

                                            = rs 3,4375







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