Question

The area of a rectangular piece of cardboard is 36 sq. cm and it's length is 9 cm. What is the width of the cardboard?
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Answer 1

Answer:

We Know Area Of Rectangle = Length × Width

Let the Width Be " x "

$\begin{gathered}:\implies\sf{ Area Of Rectangle = Length × Width} \\ \\ \\ :\implies\sf{ 36 = 9 × x} \\ \\ \\ :\implies\sf{ x =}\dfrac{ 36}{9}\\ \\ \\ :\implies\sf{ x = 4}\end{gathered}$

Therefore , Width Of Rectanglular Peice Of Cardboard is 4cm .

Answer 2

Answer:

area of rectangular cardboard = L × B

36cm² = 9 × B

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: b = \frac{36}{9}$

b = 4cm