Perimeter, Area, & Surface Area

What is the distance along the edge of a figure.

• Perimeter

• Area

How do you find the perimeter of a shape?

• Add up all the side lengths

• Count the number of sides

• Length x Width

• Add the height and the base length of each shape

Find the perimeter

• 3 meters

• 33 meters

• 39 meters

• 21 meters

Find the area

• 24 meters²

• 140 meters²

• 70 meters²

• 49 meters²

Find the perimeter and area

• 20 cm ; 25 cm²

• 10 cm ; 20 cm²

• 9 cm ; 25 cm²

• 20 cm ; 10 cm²

Find the perimeter and area

• 32 units ; 49 units²

• 39 units ; 56 units²

• 32 units ; 115.5 units²

• 14 units ; 10.5 units²

Find the perimeter and area (TRY IT!)

• 36 meters ; 64 meters²

• 29 meters ; 120 meters²

• 44 meters ; 40 meters²

• 32 meters ; 76 meters²

Find the perimeter and area

• 80 yards ; 324 yards²

• 92 yards ; 156 yards²

• 80 yards ; 351 yards²

• 40 yards ; 1404 yards²

Which of the following represents the formula for the circumference of a circle? (Select two)

What is the radius of this circle?

• 9 in

• 18 in

• 12 in

• 27 in