a hall is 7.2m long and 6.3 m wide it's floor is covered by slab. the long side of slab is the 30cm.find no slab. if each cost ₹ 4.findcost of slab
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Answer:
Floor in rectangular figure
area
=length × breadth
= 9.68 m × 6.2 m
= 60.016 square meter
area of one tile
=l × b
= 22cm × 10cm
=220 square centimeter
= 220/100 meter
=2.2m
total tiles require
=60.016/2.2
=27.28
TOTAL cost
=27.28×2.50
=68.2 rupees
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