Area and Perimeter

What is the first step in determining how much space is available in a backyard on Mars?

• Calculate the area

• Buy the land

• Calculate the perimeter

• Build a fence

If a backyard is 9 feet long and 8 feet wide, how many square units is the area?

• 72 square units

• 81 square units

• 17 square units

• 64 square units

What formula is used to quickly calculate the area of a rectangle?

• 2 x (Length + Width)

• Length / Width

• Length x Width

• Length + Width

How do you calculate the perimeter of a rectangle?

• Length plus twice the width

• Multiply length by width

• Add all sides

• Two times the length plus two times the width

What is the perimeter of a yard that is 9 feet long and 8 feet wide?

• 34 feet

• 17 feet

• 72 feet

• 27 feet