Understanding Rectangles: Area and Perimeter

What is the perimeter of a shape?

• The number of unit squares needed to cover a surface

• The distance around the figure

• The volume of the shape

• The length of the longest side

Can two rectangles have the same area but different perimeters?

• No, they must have the same perimeter

• Only if they are squares

• Only if they have the same length and width

• Yes, it's possible

If a rectangle has an area of 18 square units, which of the following could be its dimensions?

• 1 by 18

• 4 by 4

• 2 by 8

• 3 by 5

What is the perimeter of a rectangle with dimensions 2 by 9?

• 18 units

• 20 units

• 22 units

• 38 units

Which of the following rectangles has a perimeter of 18 units?

• 3 by 6

• 1 by 18

• 2 by 9

• 4 by 5