Question

the area of a rectangular piece of cardboard is 8 square and its length is 3 centimetres what is the width of the cardboard​

Answer 1

Answer:

21.3 cm

Step-by-step explanation:

Area of the rectangular piece of cardboard = $8^2$  = 64 sq cm

Area of a rectangle = l * b

Length = 3

Let breadth = x

Then, 3 * x = 64

         x = 64/3

         x = 21.3 cm

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