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# 3.7: Chapter 3 Review

Difficulty Level: At Grade Created by: CK-12

## Symbol Toolbox

||\begin{align*}||\end{align*} parallel

\begin{align*}\perp\end{align*} perpendicular

## Keywords & Theorems

Lines and Angles

• Parallel
• Skew lines
• Parallel Postulate
• Perpendicular Line Postulate
• Transversal
• Corresponding Angles
• Alternate Interior Angles
• Alternate Exterior Angles
• Same Side Interior Angles

Properties of Parallel Lines

• Corresponding Angles Postulate
• Alternate Interior Angles Theorem
• Alternate Exterior Angles Theorem
• Same Side Interior Angles Theorem

Proving Lines Parallel

• Converse of Corresponding Angles Postulate
• Converse of Alternate Interior Angles Theorem
• Converse of the Alternate Exterior Angles Theorem
• Converse of the Same Side Interior Angles Theorem
• Parallel Lines Property

Properties of Perpendicular Lines

• Congruent Linear Pairs
• Theorem 3-1
• Theorem 3-2

Parallel and Perpendicular Lines in the Coordinate Plane

• Slope
• Slope-intercept form (y\begin{align*}y-\end{align*}intercept form)
• Standard Form

Distance Formula

• Distance Formula

## Review

Find the value of each of the numbered angles below.

## Texas Instruments Resources

In the CK-12 Texas Instruments Geometry FlexBook, 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/9688.

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