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Rectangle

The length of...

Question

The length of a rectangle is 6 cm and the width is 4 cm. If the length is greater by 2 cm, what should the width so that the new rectangle have the same area as the first one ?

A

2 cm

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B

3 cm

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C

4 cm

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D

5 cm

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Solution

The correct option is B 3 cm
The area of the first rectangle is $L \times W = 6 \times 4 = 24 c m^{2}$

The new length is $6 + 2 = 8 c m$

$8 \times W = 24$ then $W = 24 / 8 = 3 c m$

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