Area and Perimeter

• A = 15 cm²
• A = 15 cm
• A = 16 cm²
• A = 8 cm²

What is the approximate side length of a square that has an area of 40?

• 20
• 10
• 1600
• 6.3

• 19.8 km²
• 37.8 km²
• 18.9 km²
• 35 km²

• A = 13 in²
• A = 20 in²
• A = 26 in²
• A = 40 in²

• A = 19 cm²
• A = 39 cm²
• A = 78 cm²
• A = 120 cm²

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

• units

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

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

What is the Perimeter?

• 3x - 3 inches

• 6x - 6 inches

• 3x - 6 inches

• 6x - 3 inches