Circles warm up

• 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

• A
• B
• C
• D

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CCSS.HSG.C.A.2

• 67.5°
• 90°
• 22.5°
• 45°

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CCSS.HSG.C.A.2

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

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

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CCSS.HSG.C.A.2

What is the name of the angle pictured?

• Central angle
• Inscribed angle
• Interscribed angle
• Circumscribed angle

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CCSS.HSG.C.A.2

A segment whose endpoints lie on a circle is a _______.

• tangent
• chord
• diameter
• secant

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CCSS.HSG.C.A.2

To find an angle inside the circle you use which of the following.

• (1/2)arc
•  (1/2)(arc+arc)
• (1/2)(arc - arc)
• I don't know

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CCSS.HSG.C.A.2

To find an angle outside the circle you use which of the following.

• (1/2)arc
• (1/2)(arc+arc)
• (1/2)(arc-arc)
• I don't know

Tags

CCSS.HSG.C.A.2

Find the length of WU

• 5

• 18

• 3

• 11

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CCSS.HSG.C.A.2