Question

A hall is 20m long and 15m wide.A carpet is to be laid on the floor leaving a width of 50cm near the walls uncovered.Find the area of the carpet and also the portion of area left uncovered

Answer 1

Answer:  100 cm²

Step-by-step explanation:

Length of hall = 20 m

Breadth of hall = 15 m

 Area = l * b

          = 20 * 15

          = 300 cm²

Area of carpet = 50 * 4

                         = 200 cm²

Portion not covered = 100 cm²

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Answer 2

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