Perimeter Review & Area Formulas

What is the perimeter of the triangle?

• 32 units
• 20 units
• 10 units
• 17 units

What is the perimeter of the shaded figure?

• 28
• 24
• 22
• 26

What is the perimeter of this rectangle?

• 21 units
• 12 units
• 3 units
• None of the above.

What is the perimeter of this figure

• 22
• 21
• 18
• 20

What is the perimeter of the fence?

• 25
• 30
• 35
• 40

Farmer Bob needs to build a fence for his chickens.  He wants to build a fence around is 40 feet long and 20 feet wide.  How many feet of fence does he need to buy? (Hint: top matches the bottom; left matches right!)

• 800 feet
• 120 feet
• 60 feet

What is the missing measurement? 

• 9 cm
• 18 in
• 18 cm
• 9 in 

What is the perimeter of this polygon?

• 39 in
• 24 in
• 105 in 

What is the perimeter of the rectangle?

• 14 feet

• 28 feet

• 48 feet

• 2 feet

The distance around an object is called the 

• area
• perimeter