Find the Perimeter and Area of a Rectangle or Square Using a Formula

What is the perimeter of this figure?

• 12 cm

• 32 cm

• 24 cm

• 20 cm

What is the perimeter?

• 24 sq cm

• 24 cm

• 35 sq cm

• 35 cm

The distance around an object can be found using:

• area

• perimeter

Find the perimeter of a square that has a length of 6 in.

• 12 in.

• 24 in.

• 20 in.

• 16 in.

Which formula(s) could be used to find the perimeter of this rectangle?

• a + b + a + b = perimeter

• 2(a) + 2(b) = perimeter

• a x b = perimeter

• 2(a+b) = perimeter

Use the formula P=2L+2W to solve. If the perimeter of a rectangle is 30 cm and the width is 5 cm, what is the length?

• 20 cm

• 25 cm

• 10 cm

• 15 cm

Find the area of a figure that has a length of 3 and a width of 7.

• 21 sq. units

• 20 sq. units

• 10 sq. units

• 13 sq. units

What is the area of this figure?

• 12 sq. cm

• 32 sq. cm

• 16 sq. cm

• 28 sq. cm

Farmer Bob needs to build a fence for his chickens.  The area 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?

• 800 feet

• 120 feet

• 60 feet

Find the AREA of this figure.

• 160 square feet

• 160 feet

• 160

• 1600 feet