Question

Length of a rectangular park is 3 times it's breadth. If the length of the park is 90 metres, then find the area of the park​.​

Answer 1

Let the breadth of rectangle be x.

Then , the length of rectangle is 3x

But , it is given that length = 90m

So ,

$\sf{3x = 90}$

$\sf{ \implies \: x = \frac{90}{3} }$

$\sf{ \implies \:x = 30 }$

$\fbox{x = 30}$

So , length of rectangle = 30 m

Now,

Area of rectangle = lb

Area of rectangle = 30m × 90m

Area of rectangle = 2700m²

Therefore , area of rectangle is 2700m².

Answer 2

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