Answer :


Given.


Radius of cylinder and cone is 2 m


Height of cylinder is 3.5 m


Slant height of cone is 3.5 m


Formula used/Theory.


CSA of cylinder = 2πrh


CSA of cone = πrl


CSA of cylinder = 2πrh


= 2 × × 3.5 m × 2 m


= 44 m2


CSA of cone = πrl


= × 2 m × 3.5 m


= 22 m2


Total Area of cloth = 44 m2 + 22 m2


= 66 m2


Rate of cloth for 1 m2 = Rs. 1000


Rate of cloth for 66 m2 = Rs. 1000 × 66


= Rs. 66000


Cost of canvas is Rs. 66000


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