1.

the area of a rectangular land is 520 sq. unit if the breadth of a land is 20 unit then what will be its length​

Answer»

SOLUTION :

\bf{\red{\underline{\underline{\bf{Given\::}}}}}

The AREA of a RECTANGLE land is 520 sq. UNIT,if the breadth of a land is 20 unit.

\bf{\red{\underline{\underline{\bf{To\:find\::}}}}}

The length of the land.

\bf{\red{\underline{\underline{\bf{Explanation\::}}}}}

Let the length of the land be r unit

We know that formula of the area of rectangle :

\bf{\boxed{\bf{Area\:of\:rectangle=Length\times breadth}}}}}}

A/q

\mapsto\sf{520=r\times 20}\\\\\\\mapsto\sf{r=\cancel{\dfrac{520}{20} }}\\\\\\\mapsto\sf{\orange{r=26\:unit}}

Thus;

The land of the length is 26 unit.

\boxed{\begin{minipage}{6 cm} Formulas of rectangle : \\ \\ $ \sf{Perimeter=2(Length+Breadth)}\\ \\ \sf{Area=Length * breadth }\\ \\ \sf{Diagonal = \sqrt{(length)^{2} +(Breadth)^{2} }} $\end{minipage}}


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