Question

If the length of a rectangle is doubled keeping the breadth strengthen its area is

Answer 1

Answer:

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Let length of and breadth of a rectangle are xcm and ycm

⇒ Area of a rectangle =length×breadth

=xy

⇒ Area of a rectangle =xycm

2

---- ( 1 )

Now, when length and breadth gets double.

The length and breadth becomes 2x and 2y

⇒ Area of a rectangle =2x×2y

=4xycm

2

⇒ Area of a rectangle=4xycm

2

--- ( 2 )

Comparing ( 1 ) and ( 2 ) we can see,

⇒ If the length and the breadth of a rectangle are doubled then its area becomes 4 times.

Step-by-step explanation:

$hope \: it \: helps \: u$

Answer 2

Answer:

length=2y

Breadth=2y/2

Step-by-step explanation:

I think you can solve the question like this.