Problem :

Diagram of a Rectangle

What is the area of this rectangle?

24

Problem :

Diagram of a Rectangle

What is the area of this rectangle?

20

Problem : What is the area of a rectangle with height 3 and width 2.6?

7.8

Problem :

Diagram of a Square

What is the area of this square?

49

Problem :

Diagram of a Square

What is the area of this square?

9

Problem : What is the area of a square with side length 12?

144