Graphing with Area and Perimeter

Find the PERIMETER of this figure.

• 20 square feet

• 20 cm

• 25 square feet

• 20 cm sq.

Farmer Bob's son built a track to walk his pet pig.  The track goes around the pig pen.  The pig pen is 15 feet long and 21 feet wide.  If the pig walks all the way around the track, how many feet did he walk?

• 72 feet

• 36 feet

• 36 square feet

Mr. Johnson took his class outside to measure the playground. The playground is shaped like a rectangle as shown below. Which formula could the class use to find the area of the playground?

• A = l × w

• A = 4s

• A = 2l + 2w

• A =  l + w

The first photograph ever taken can be seen at the University of Texas at Austin. The rectangle below shows the size of the photograph. What is the area of the first photograph ever taken?

• 36 cm

• 56 cm

• 72 cm

• 320 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

A = ___ x ____

• w x l

• l + l + w + w

• l x w

• l + w + l + w

What is the perimeter of this rectangle?

• 14

• 20

• 13

• 15

Squares are equal on all sides. Perimeter is the measure of ALL the way around an object. So, the perimeter of this square would be ... Pick all that apply.

• 5 + 5 + 5 + 5 = 20

• 5 x 4 = 20

• 5 x 5 = 25

• 5 + 5 = 10

Perimeter = length + length + width + width IF an object is a square, it is the same measure on all sides. Perimeter of a square = length x 4 What is the perimeter of this square?

• 8 cm

• 10 cm

• 4 cm

• 12 cm