Circumference of Circles

What is the circumference of a circle?

• the distance around a circle

• the area of a circle

• halfway through a circle

• a line through the center of a circle

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 78.5 cm

• 15.7 cm

• 7.85 cm

• 19.6 cm

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm

Tags

CCSS.7.G.B.4

What number represents π?

• 31.4

• 4.13

• 3.14

• 34.1

Tags

CCSS.HSG.GMD.A.1

Is this statement right?

The blue line = circumference.

• Yes

• No

Find the circumference of a circle to the nearest hundredth.

(a)  

Tags

CCSS.7.G.B.4

Find the circumference of a circle to the nearest hundredth.

(a)  

Tags

CCSS.7.G.B.4

What is the ratio of the circumference of a circle to its diameter?

• Radius

• Diameter

• Area

• Pi

Tags

CCSS.7.G.B.4

Jane swam from one side of a circular pool to the other side, going through the center. If Jane swam 8 feet, what is the approximate circumference of the pool?

• 50.24 ft

• 200.96 ft

• 25.12 ft

• 251.2 ft

Tags

CCSS.7.G.B.4