Question

The lenght of the plot is five times its breadth. a play ground measuring 245 sq. cm. occupies half of the total area of plot. what is the length of the plot?

Answer 1

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Answer 2

35√2m

Let breadth of plot =x m

∴ Length =5x m

As per the question

$\frac{ {5x}^{2} }{2} = 245$

${x}^{2} = \frac{245 \times 2}{5}$

${x}^{2} = 98$

$x = \sqrt{98}$

$x = 7 \sqrt{2}m$

$∴ Length =5×7 \sqrt{2} = 35 \sqrt{2} m$