8. What is the cost of paving a rectangular hall with
tiles at a rate of Rs.40 per hundred sq meter , if
the dimensions of the hall are 80m by 250m.
I can't get
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Step-by-step explanation:
Length = 24.5 m
Breadth = 18 m
∴ Area of the rectangle = Length × Breadth
= 24.5 m × 18 m
= 441 m2
(ii) Length = 12.5 m
Breadth = 8 dm = (8 × 10) = 80 cm = 0.8 m [since 1 dm = 10 cm and 1 m = 100 cm]
∴ Area of the rectangle = Length × Breadth
= 12.5 m × 0.8 m
= 10 m2
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