What happen to area of circle, if its radius is doubled?

What will happen to the area of a square if its side is doubled

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

What will happen to the area of a square if its side is: (i) doubled (ii) halved?

What will happen to the area of a square if its side is: (i) doubled (ii) halved?

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

What will happen to the area of a square if its side is halved