Angles in Circles!!!

Set of all points in the plane equidistant from a single point called the center

• circle
• chord
• polygon
• radius

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CCSS.HSG.CO.A.1

CCSS.HSG.GPE.A.1

This is a picture of ___________.

• Major Arc
• Minor Arc
• Central Angle
• Inscribed Angle

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CCSS.HSG.C.A.2

This is a picture of ___________.

• Chord
• Diameter
• Radius
• Inscribed Angle

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CCSS.HSG.C.A.2

Which best describes line AB?

• chord
• secant
• tangent
• diameter

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CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Solve for the missing angle.

• 45^o
• 90^o
• 22.5^o
• 128^o

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CCSS.HSG.C.A.2

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

• 150°
• 100°
• 210°
• 105°

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CCSS.HSG.C.A.2

• A
• B
• C
• D

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CCSS.HSG.C.A.2

• A

• B

• C

• D

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CCSS.HSG.C.A.2

Find the measure of arc AB.

• 17
• 34
• 68
• 146

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CCSS.HSG.C.A.2

The distance around a circle

• Diameter
• Radius
• Circumference
• Area

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CCSS.HSG.C.B.5

CCSS.HSG.GMD.A.1