Question

9. What happens to the area of a rectangle when
(i) its length is doubled, the breadth remainin
the same?
(ii) its breadth is doubled, the length remainin
the same?
(iii) its length and breadth are both doubled?
​

Answer 1

Answer:

we know that

area of rectangle =length*breath

case(1)

length=2l & breath=b

so area of rectangle=2lb

case(2)

breath =2b. & length=l

so area=2lb

and

case (3)

length=2l. & breath=2b

so area=4lb