Question

A Room Is 4 m Long And 3 m 50 cm wide. How Many Square Metres Of Carpet Is Needed To Cover The Floor Of The Room?

Answer 1

Square Metres Of Carpet Is Needed To Cover The Floor Of The Room=area  of the floor

so area  of rectangle =lenght ×breadth
                                         =4×3.5
 =14m²

Square Metres Of Carpet Is Needed To Cover The Floor Of The Room is 14 m²


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Answer 2

Answer :

We know that,

Area of rectangle = Length × Breadth

It is given in the question that,

Length of rectangle = 4 m

Breadth of rectangle = 3 m 50 cm

As 1 cm = 1/100 m

50 cm = 50/100 m

= 0.5 m

3 m 50 cm = 3.5 m

Therefore,

Area of floor = Length × Breadth

= 4 × 3.5

= 14 m²