Math, asked by thtarif32719, 5 months ago

how many metres of fencing is required to enclose a rectangular garden 20m long and 7m wide.​

Answers

Answered by mohammedrihan2006
1

Answer:

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Step-by-step explanation:

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Answered by TRISHNADEVI
2

 \huge{ \underline{ \overline{ \mid{ \mathfrak{ \purple{ \:   \: SOLUTION \:  \: } \mid}}}}}

 \bold{ \underline{ \blue{ Given, }}} \\  \\ \texttt{ Length of the rectangular garden, l = 20 m} \\  \texttt{Breadth of the rectangular garden, b = 7 m }

 \bold {\underline{ \blue{ \: To \:  \:  \:  \:  find :- } \: }} \\  \\   \:  \:  \:  \:  \:  \:  \:  \: \sf{How \:  \:  many  \:  \: metre  \:  \: of  \:  \: fencing \:  \:  is \:  \: </p><p>required \:  \:  to \:  \:  enclose \:  \:  } \\   \:  \:  \:  \: \sf{the  \:  \: rectangular \:  \:  garden. }

 \underline{ \sf{ \blue{ \:  \: We  \:  \: know  \:  \: that, \:  \: }}} \\  \\ \boxed{ \pink{ \bold{Perimeter  \:  \: of  \:  \: a  \:  \: rectangle = 2 \times (Length + Breadth)}}}

 \bold{ \underline{ \blue{ \: According  \:  \: to  \:  \: question, \: }}}

 \sf{Perimeter  \:  \: of \:  \:  the \:  \:  rectangular  \:  \: garden = 2 \times (l + b)} \\  \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \sf{= \{2 \times (20 + 7 ) \} \:  \: m  } \\  \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \sf{ = (2 \times 27) \:  \: m} \\  \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \sf{ = 54 \:  \: m }

 \bold{ \therefore \: Perimeter  \:  \: of \:  \:  the \:  \:  rectangular  \:  \: garden = 54 \:  \: m}

 \:  \:  \:  \:  \:  \:  \:  \:  \: \texttt{Hence, \red{ \underline{54 metres}} of fencing is</p><p>required to } \\  \texttt{enclose a rectangular garden of length 20 m and } \\  \texttt{breadth 7 m.}

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