Put on your thinking cap.
A rectangular piece of paper is folded at one of its corners such that the side BC lies along the side CD as shown.
What is the area of the rectangle before it was folded?
Find the area of the figure after the paper was folded.
The side of a small square is 5 cm.
36 such small squares from a large square.
What is the area of the large square?
Lily formed a rectangle using a 72 cm long wire.
The length of the rectangle is twice its breadth.
What is the area of the rectangle?