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The area of a rectangular piece of cardboard is 36 sq cm and its length is 9 cm. What is the width of the cardboard? - Mathematics

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Sum

The area of a rectangular piece of cardboard is 36 sq cm and its length is 9 cm. What is the width of the cardboard?

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Solution

Area of the rectangle = 36 sq cm
Length = 9 cm
Width = ?

Area of a rectangle = length × width

So, width = `"Area"/"Length" = 36/9` = 4 cm

Thus, the width of the rectangular cardboard is 4 cm.

Concept: Area of Rectangle
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