Question

the length of a rectangle is greater than the breadth by 3 CM if the length is increased by 9 cm and the bats is reduced by 5 cm the area remains the same find the dimensions of the rectangle​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Let breadth be x

so length will be=x+3

Now area will be =l*b=x²+3x....(1)

In 2nd case..

breadth=x-5

length=x+3+9=x+12

Now area =x²+7x-60......(2)

Comparing equation 1 and 2....

x²+3x=x²+7x-60

60=7x-3x

60=4x

x=15....

so breadth=x=15cm

and length=x+3=18cm...

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