Unit 5 (2-D Area/Perimeter) Review

If I wanted to place a fence around my backyard to keep my dog from running away, I would be looking at?

• Perimeter
• Area

To calculate the amount of carpeting needed for your bedroom, which of the following should you find: 

• Area
• Perimeter
• Surface Area
• Volume

When finding the perimeter of a shape the units are written as ​ (a)  

When finding the area of a shape the units are written as ​ (a)  

• units

What is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Find the area of the circle below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Find the area of the circle

• 56.52 in²
• 254.34 in²
• 1017.36 in²
• 113.04 in²

Find the Perimeter

• 74 in

• 69 in

• 82 in

• 67 in

What is the area of this parallelogram?

• 3.6 m²

• 4.5 m²

• 5 m²

3) What is the area of the triangle shown?

• 24.44 cm²

• 12.22 cm²

• 3.29 cm²

• 245.2 cm²