Parts of a Circle

The CENTER of a circle is...

• The given point in which all parts of a circle are equidistant from

• The distance from the center to any point on the line

• The distance across the circle through the center

• The distance around a circle

The RADIUS of a circle is

• The given point in which all points are equidistant from

• The distance from the center to any point on the circle

• The distance across the circle through the center

• The distance around the circle

The DIAMETER of a circle is...

• The given point in which all points are equidistant from

• The distance from the center to any point on the circle

• The distance across the circle through the center

• The distance around the circle

The CIRCUMFERENCE of a circle is

• The given point in which all points are equidistant from

• The distance from the center to any point on the circle

• The distance across the circle through the center

• The distance around the circle

Name the pictured part of the circle.

• Center

• Sector

• Radius

• Central Angle

• Arc

Tags

CCSS.4.G.A.1

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Tags

CCSS.4.G.A.1

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Tags

CCSS.HSG.C.A.2

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What is the radius?

• 18
• 72
• 38
• 14

Tags

CCSS.4.MD.A.2

Pi is the ratio of...

• A circle's circumference to its radius

• A circle's circumference to its diameter

• A circle's diameter to its circumference

• A circle's radius to its circumference