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gogolik [260]
3 years ago
15

A rectangular garden has an area of 360 square feet. the length of the garden is 9 feet longer than the width. find the dimensio

ns of the garden in feet
Mathematics
1 answer:
rosijanka [135]3 years ago
6 0

\huge\underline{\frak{  \:  \:  \:  \:  \:  \: Solution : \:  \:  \:  \:  \:  \: }} \\  \\

\frak {\pink{Let}}\begin{cases} \sf{\red{Breadth \:  be  \: x}}\\ \sf{\orange{The \:  Length = x + 9}}\end{cases} \\

\bigstar \: \underline{\textsf{According to the given Question :} }\\  \\

:\implies \sf Area = Length \times Breadth \\  \\  \\

:\implies \sf 360=(x + 9 ) x \\  \\  \\

:\implies \sf 360= {x}^{2} + 9x  \\  \\  \\

:\implies \sf  {x}^{2}   + 9x - 360 = 0\\  \\  \\

:\implies \sf  {x}^{2}   + 24x - 15x - 360 = 0\\  \\  \\

:\implies \sf  x(x + 24) - 15(x + 24) = 0\\  \\  \\

:\implies \sf (x + 24) \: (x - 15) = 0\\  \\  \\

:\implies \underline{ \boxed{ \sf  x =  - 24 \: or \: x = 15}}\\  \\  \\

\therefore\:\underline{\textsf{Ignoring the negative value, the Breadth of rectangular garden is \textbf{15 ft}}}. \\  \\  \\

<h2>_____________________...</h2>

\bigstar \: \underline{\textsf{Dimensions of rectangular garden :}} \\  \\

\bullet\:\:\textsf{The Breadth of rectangular garden = x = \textbf{15 ft.}} \\  \\

\bullet\:\:\textsf{The Length of rectangular garden = x + 9 = 15 + 9 = \textbf{24 ft.}} \\  \\

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