Question

The area of a rectangle is 36 cm² and its length is 9 cm. find its breadth. ​

Answer 1

$\LARGE\mathfrak{\underline{✯\; Given :-}}$

$\large\textsf{ }$

$\qquad\tt{:}\longrightarrow\large\textsf{Area of the rectangle = 36 cm² }$

$\qquad\tt{:}\longrightarrow\large\textsf{Length of the rectangle ( l ) = 9 cm}$

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$\LARGE\mathfrak{\underline{✯\; To \; \; Find :-}}$

$\large\textsf{ }$

$\qquad\tt{:}\longrightarrow\large\textsf{Breadth of the rectangle = ?}$

$\large\textsf{ }$

$\LARGE\mathfrak{\underline{✯\; Formula :-}}$

$\large\textsf{ }$

$\qquad\tt{:}\longrightarrow\boxed{\large\textsf\textcolor{purple}{ {\large\textsf{Area}}_{\large\textsf{( \; Rectangle \; )}} = \large\textsf{l × b} }}$

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$\LARGE\mathfrak{\underline{✯\; Solution :-}}$

$\large\textsf{ }$

$\qquad\tt{:}\longrightarrow\large\textsf{ {\large\textsf{Area}}_{\large\textsf{( \; Rectangle \; )}} = \large\textsf{l × b} }\\\\\\\qquad\tt{:}\longrightarrow\large\textsf{36 = 9 × b}\\\\\\\qquad\tt{:}\longrightarrow\large\textsf{ \cancel\cfrac{36}{9} = \large\textsf{ b} }\\\\\\\qquad\tt{:}\longrightarrow\boxed{\large\mathfrak\textcolor{red}{4 \; = \; b}}$

$\large\textsf{ }$

$\boxed{\large\textsf\textcolor{orange}{∴ The breadth of the rectangle = 4 cm}}$

$\large\textsf{ }$

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