What Will Happen to The Area of A Rectangle?

What will happen to the area of a rectangle if its length is doubled and breadth is tripled?

  1. 5 times more the area of the old rectangle
  2. Area will remain the same
  3. 6 times less the area of the old rectangle
  4. 6 times more the area of the old rectangle
jagadeesh Default Asked on 26th July 2015 in Maths.
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1 Answer(s)

Answer: (1) 5 times more the area of the old rectangle
Explanation:-
Let the length of a rectangle = X m
And the width of a rectangle =  Y m
Then, the area of a rectangle = X Y m square.

If its length is doubled and breadth is tripled.   (according to the question)
Then,
The length of the rectangle = 2 X m
And the width of the rectangle = 3 Y m
Then, the  new area of the rectangle = 2 X x 3 Y
= 6 X Y m square.

More area = 6 X Y – X Y
= 5 X Y m square
The area of a rectangle will be 5 times more the area of old rectangle. If its length is doubled and breadth is tripled?

Anurag Mishra Professor Answered on 27th July 2015.
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