Circle Basics (Parts, arcs and angles, and equations

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Name the pictured part of the circle.

• Center

• Sector

• Radius

• Central Angle

• Arc

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Tags

CCSS.HSG.C.A.2

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Central Angle

• Arc

Tags

CCSS.HSG.C.A.2

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Arc

Which one of these is NOT a chord?

• $\overline{ZY}$

• $\overline{PM}$

• $\overline{CD}$

• $\overline{AN}$

What is this called?

• Inscribed Angle

• Circumscribed Angle

• Central Angle

Tags

CCSS.4.G.A.1

What is segment PQ?

• diameter
• radius
• tangent
• chord

An angle whose vertex is the center of a circle is a(n) ______.

• inscribed angle
• acute angle
• obtuse angle
• central angle