Circles and Proportions

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm

Tags

CCSS.7.G.B.4

Find the area of the circle

• 43.96

• 153.86

• 87.82

• 307.72

Tags

CCSS.7.G.B.4

What number represents π?

• 31.4

• 4.13

• 3.14

• 34.1

Tags

CCSS.HSG.GMD.A.1

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

Match the following part of the circle with its correct label.

• Radius

• Diameter

• Center

• Chord

• Point S

• Tangent Line

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

What does C represent in the formula: C = π·d

• Pi

• Circumference

• Diameter

• Area

Tags

CCSS.7.G.B.4

What is the diameter 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

Tags

CCSS.HSG.C.A.2

Tags

CCSS.HSA.CED.A.4

Tags

CCSS.7.G.B.4