Question

one rectangular length increased by 60per.If there is no change on area,what will be the breth in per.?

Answer 1

Let,

Length of rectangle = L

Breadth of rectangle = B

Area of rectangle = A

If Length increased 60% then new Length = 1.6L

Let new Breadth = X

Since the area is same for both triangle,

LB = 1.6LX

Cancelling L both side

B = 1.6X

X = B/1.6 = 0.625B

New Breadth is 62.5% of original breadth.