Question

how many types of measure 10 cm x 10 cm are required to cover a surface of 4 m X 2.5 m

Answer 1

4m = 400cm
2.5 m = 250cm
Total surface area = 400×250
= 100000
Second surface area = 10×10
= 100

No. Of requirement = 100000/100
= 1000

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Answer 2

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