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प्रश्न
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?
बेरीज
उत्तर
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.
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