Question

Find the number to of marbles slabs, each of dimension 40cmx 20cm to be laid around a square Park of side 18m ,to a width of 2m

Answer 1

dimensions of the park= 1800x200 cm

dimensions of 1 marble slab= 40cmx20cm

no. of slabs required = $\frac{area \: of \: park}{area \: of \: 1 \: slab}$

=>$\frac{1800 \times 200}{40 \times 20}$

=>450 marble slabs.

#sumedhian ❤❤

Answer 2

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Area Of marble slabs

= l ×b

= 40 × 20

= 800 cm

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Dimensions of park

= 18m= 1800cm

=2m= 200m

Area of park

= 1800 × 200

= 360000 m

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Marble slabs required

= 360000/ 800

= 450

Total marble slabs required are 450 slabs

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