Central angles and arcs

Name a major arc.

• ABD
• BDA
• BCD
• DA

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

What is an angle whose vertex is at the center of a circle and whose sides pass through a pair of points on the circle?

• Arc
• Central Angle
• Inscribed Angle
• Intercepted Arc

Tags

CCSS.HSG.C.A.2

Which is true of a minor arc?

• It forms half a circle.
• It forms a whole circle.
• It measures greater than 180 degrees. 
• It measures less than 180 degrees.

How do we name a minor arc?

• With 2 endpoints
• With the two endpoints and another middle point

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

How do we name a major arc?

• With 2 endpoints

• With the two endpoints and another middle point

Solve for the missing angle.

• 45^o
• 90^o
• 22.5^o
• 128^o

Tags

CCSS.HSG.C.A.2

• A
• B
• C
• D

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

• A
• B
• C
• D

Tags

CCSS.HSG.C.B.5

AD and CG are diameters of Circle B, how would you classify arc CD?

• Minor Arc

• Major arc

• Semi-Circle

• Full circle

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5