Question

the ratio of length and breadth of a rectangle is 5:3.if length is 8 metre more than breadth. what will be the area of rectangle... ​

Answer 1

The area of the given

rectangle is 240m².

According to the question;

$\frac{l}{b} = \frac{5}{3} \\ l = \frac{5b}{3}$

&

$l =8 + b \\ \frac{5b}{3} = 8 + b \\ 5b = 24 + 3b \\ 2b = 24 \\ b = 12$

$∴l = \frac{5 \times 12}{3} = 5 \times 4 = 20$

Thus, area is 20×12 = 240m²

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