Circumference Practice

What number represents π?

• 31.4

• 4.13

• 3.14

• 34.1

Tags

CCSS.HSG.GMD.A.1

Serena drew a circle with a circumference of 157 centimeters.  What is the approximate diameter of the circle she drew?

• 57 cm

• 15.7 cm

• 50 cm

• 25 cm

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 

• 9.42 m

• 12 m

• 18.84 m

Tags

CCSS.7.G.B.4

The distance around the outside of a circle

• Circumference

• Pi

• Diameter

• Radius

Find the circumference of the circle.

• 3.14 cm

• 37.68 cm

• 75.36 cm

• 452.16 cm

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 3.14 mm

• 51 mm

• 204 mm

• 320.28 mm

Tags

CCSS.7.G.B.4

What is the circumference of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

• 18.5 m

• 11.3 m

• 20.3 m

• 22.6 m

Tags

CCSS.7.G.B.4

An architect is making a plan for a new circular playground. If the picture below is the playground, how much fencing needs to go up to keep the kids in the circle? Use 3.14 for π.

• 3,215 m

• 200.96 m

• 402.12 m

• 100.06 m

Tags

CCSS.7.G.B.4

a mathematical constant that is the ratio of a circle's circumference to its diameter; used in finding the circumference and area of a circle

• Pi

• Radius

• Diameter

• Circumference

Tags

CCSS.7.G.B.4

What formulas can I use to find the circumference of a circle? Select all that apply

• 2πr

• π + radius

• πd

• πr²

Tags

CCSS.7.G.B.4