Question

what will happen to the aera of rectangle ,if its length and breadth is trebled

Answer 1

The area of the rectangle also trebled.

Answer 2

let the lenght and breath be l and b.
ATQ
LENGHT=3l
BREATH=3b
THEN,3l×3b=9lb
l×b=area of rectangle
then, its area will increase by 9 times then real area.. if lenght and breath is trebled........