Parts of A Circle

The distance from the center to any point on a circle.

• Radius

• Diameter

• Circumference

• Chord

The distance across a circle through its center.

• Arc

• Diameter

• Circumference

• Pi

Tags

CCSS.HSG.CO.A.1

What is C?

• diameter
• center
• circumference
• radius

Tags

CCSS.HSG.C.A.2

What is Arc ABC?

• Minor Arc
• Major Arc
• Semi Circle

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

CCSS.HSG.C.A.3

Name a major arc.

• ABD
• BDA
• BCD
• DA

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

Which of the following represents the diameter of the circle? (a)  

Name a major arc. Arc (a)  

When naming a minor arc, we use (a)   letters.

When naming a semicircle, we use _____ letters.

• 1

• 2

• 3

• 4

Tags

CCSS.HSG.CO.A.1

(a)   is formed when 2 radii meet in the center of a circle.

Tags

CCSS.HSG.C.A.2