the central hall of a school is 22m long and 15.5m wide.A carpet is to be laid on the floor leaving a strip of 75cm width from the walls uncovered. find the area of the carpet and the area of the strip left uncovered.
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Area of central hall = 2200× 1550= 3410000 cm^2
Area of carpet= Area of central hall- Area of uncovered part
= 3410000- (2200×75×2) +(1550×75×2)
=3410000-562500
=2847500cm^2
The area of carpet is 2847500 cm^2 or 284.75 m^2
Area of carpet= Area of central hall- Area of uncovered part
= 3410000- (2200×75×2) +(1550×75×2)
=3410000-562500
=2847500cm^2
The area of carpet is 2847500 cm^2 or 284.75 m^2
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