A rectangular courtyard measuring 19.5 m by 17 m is to be covered by square slabs each of side 0.5 m. Find the number of slabs required to cover the courtyard.
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• GIVE CORRECT ANSWER
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Answers & Comments
Answer:
Step-by-step explanation:
Area of square slab of side 90cm = side × side
=(90×90)cm
2
=8100cm
2
Area of floor =81 m
2
=81×10000 cm
2
=810000 cm
2
(Number of square slabs required) =
area of each slab
area of floor
=
8100
810000
=100
∴the required number of square slabs are 100
Answer:
1326 slab are required
Step-by-step explanation:
area of courtyard = 19.5× 17
= 331.5 cm 2
area of slabs = 0.5×0.5
= 0.25 cm 2
required slabs in the courtyard = 331.5 ÷ 0.25
= 1326