Question

find the number of marble slabs,each of dimension 40cm×20cm to be laid around a square part of side 18cm to a width of 2m
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Answer 1

Answer:

Step-by-step explanation:

The area that the square slabs need to be laid on:

18x200

= 3600cm squared

The area of one marble slab:

40x20

= 800cm squared

3600/800

= 4.5

5 squares are needed

Answer 2

we need to change 2m in cm.
2×100=200cm
area of square =18×200cm=3600cm
no. of slapes required=3600÷800cm=4.5cm slapes
means 4 complete and 1 half slap