A room is 4m and 20cm long, 2m and 20 cm wide. The area of the carpet needed to cover the floor of the room is

9240 m²

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15.33 m²

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9.24 m²

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924 m²

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Solution

The correct option is C
9.24 m²

1m = 100 cm.

Hence, 4m 20 cm = 420cm and 2m 20cm = 220cm

area of rectangle = length x breadth

= 420 cm x 220 cm
= 92400 cm²
= 9.24m²(1 m² = 10000 cm²)
9.24 m² is the area of the carpet needed to cover the floor of the room.

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