Question

The length and breadth of a rectangle of area A are doubled. The area of the new rectangle is what?

Answer 1

40 is the best answer

Answer 2

Answer:let the length and breadth of given rectangle is l and b

There fore the area of that rectangle is =l*b

Now there is given that are of that rectangle is is A

ie lb=A

The length and breadth of rectangle get doubles so

Length=2l

Breadth=2b

Area =2l*2b=4lb =4A. ( Lb =A)

Now compareing the area we will get it become 1/4 the area of old rectangle.

Step-by-step explanation: