Question

Central Hall of a school is 22 M long and 15.5 M wide a carpet is to be laid on the floor leaving a strip of 75 centimetre width from the wall uncovered. find the area of the carpet and the area of the strip left uncovered.

Answer 1

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The area of the hall is 22m x 15.5m = 341 m^2 

The carpet is (22 - 2 * 0.75) * (15.5 - 2 * 0.75) 
= (22 - 1.5) * (15.5 - 1.5) 
= 20.5 * 14 = 287 m^2 

The portion uncovered is 341 m^2 - 287 m^2 = 54 m^2 


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A meter length of carpet is 1 m * 0.82 m = 0.82 m^2 

287 m^2 / 0.82 m^2 = 350 m of carpet 

350 m * 60Rs / m = 21,000 Rs

Answer 2

Answer:

here you goo !!

this is the solution ❤️❤️