Circles Geometry Central Angles

This is a picture of ___________.

• Major Arc

• Minor Arc

• Central Angle

• Inscribed Angle

What is this called?

• Circumference

• Minor Arc

• Major Arc

• Inscribed Angle

What is half of a circle

• Semicircle

• Center of a circle

• Inscribed angles

Which best describes line AB?

• chord

• secant

• tangent

• diameter

• x = 160
• x = 40
• x = 80
• x = 360

Tags

CCSS.HSG.C.A.2

Which statement is true for central angles?

• m(angle) = m(intercepted arc)

• m(angle) = ½ m(intercepted arc)

• m(angle) = ½ (big arc + little arc)

• m(angle) = ½ (big arc - little arc)

Tags

CCSS.HSG.C.A.2

Find the measure of arc AB.

• 17

• 34

• 68

• 146

Tags

CCSS.HSG.C.A.2

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

• 150°

• 100°

• 210°

• 105°

What is the value of x?

• 22

• 25

• 15

• 20

Tags

CCSS.HSG.C.A.2

Solve for x. 

• 5

• 20

• 40

• 85

Tags

CCSS.HSG.C.A.2