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# 9.8: Chapter 9 Review

Difficulty Level: At Grade Created by: CK-12

Keywords & Theorems

• Circle
• Center
• Radius
• Chord
• Diameter
• Secant
• Tangent
• Point of Tangency
• Congruent Circles
• Concentric Circles
• Tangent to a Circle Theorem
• Theorem 9-2
• Central Angle
• Arc
• Semicircle
• Minor Arc
• Major Arc
• Congruent Arcs
• Arc Addition Postulate
• Theorem 9-3
• Theorem 9-4
• Theorem 9-5
• Theorem 9-6
• Inscribed Angle
• Intercepted Arc
• Inscribed Angle Theorem
• Theorem 9-8
• Theorem 9-9
• Inscribed Polygon
• Theorem 9-10
• Theorem 9-11
• Theorem 9-12
• Theorem 9-13
• Theorem 9-14
• Theorem 9-15
• Theorem 9-16
• Standard Equation of a Circle

## Vocabulary

Match the description with the correct label.

1. minor arc - A. \begin{align*}\overline{CD}\end{align*}
2. chord - B. \begin{align*}\overline{AD}\end{align*}
3. tangent line - C. \begin{align*}\overleftrightarrow{CB}\end{align*}
4. central angle - D. \begin{align*}\overleftrightarrow{EF}\end{align*}
5. secant - E. \begin{align*}A\end{align*}
6. radius - F. \begin{align*}D\end{align*}
7. inscribed angle - G. \begin{align*}\angle BAD\end{align*}
8. center - H. \begin{align*}\angle BCD\end{align*}
9. major arc - I. \begin{align*}\widehat{BD}\end{align*}
10. point of tangency - J. \begin{align*}\widehat{BCD}\end{align*}

## Texas Instruments Resources

In the CK-12 Texas Instruments Geometry FlexBook® resource, there are graphing calculator activities designed to supplement the objectives for some of the lessons in this chapter. See http://www.ck12.org/flexr/chapter/9694.

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Date Created:
Aug 07, 2013
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Sep 21, 2015
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CK.MAT.ENG.SE.2.Geometry.9.8