9.1 Perimeter and Circumference

What does perimeter mean?

• the amount of space inside a shape

• the amount of space inside a shape divided by two

• the distance around the shape

• half the distance around a shape

Tags

CCSS.4.MD.A.3

Find the perimeter of the rectangle.

• 38 cm.

• 19 cm.

• 84 cm.

• 42 cm.

Tags

CCSS.4.MD.A.3

Find the perimeter of the triangle.

• 120 ft.

• 32 ft.

• 40 ft.

• 20 ft.

Tags

CCSS.3.MD.D.8

Find the perimeter of the shape.

• 27 ft.

• 40 ft.

• 27 ft.

• 54 ft.

Tags

CCSS.3.MD.D.8

Find the perimeter.

• 24 m

• 22 m

• 16 m

• 12 m

Tags

CCSS.3.MD.D.8

What is the formula to find circumference?

•  $c=2\pi r$  

•  $c=\pi r$  

•  $c=2\pi d$  

Tags

CCSS.7.G.B.4

Find the circumference. Use 3.14 for pi. Round to the nearest tenth.

• 18.8 cm.

• 75.4 cm.

• 37.7 cm.

• not enough information

Tags

CCSS.4.MD.A.1

CCSS.4.MD.A.2

CCSS.4.NBT.B.5

Find the circumference of the circle. Use 3.14 for pi. Round to the nearest tenth.

• 113.0 in.

• 1017.4 in.

• 254.3 in.

• 56.5 in.

Tags

CCSS.4.MD.A.2

CCSS.4.NBT.A.3

CCSS.4.NBT.B.5

What is the circumference of a circle when the radius is 6cm? Leave your answer in terms of pi.

Tags

CCSS.6.EE.A.2

Find the perimeter of the figure...

• 15 feet

• 26 feet

• 20 feet

• 25 feet

Tags

CCSS.3.MD.D.8