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Free geometry worksheet to help students identify congruent angles and apply theorems about corresponding angles, alternate interior angles, and the angles of a triangle to calculate angle measures in figures with parallel line segments and triangles.
​Assignment 4.10

​Angles in Triangles and Parallel Lines

 
Objective

Apply theorems about corresponding angles, alternate interior angles, and the angles of a triangle to calculate angle measures.

 
 
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Free geometry worksheet to help students apply theorems about corresponding angles, alternate interior angles, and the angles of a triangle to calculate angle measures in figures.

Assignment 4.9

Assignment 4.11

About Geometry Worksheet Assignment 4.10:         This assignment can be downloaded for free.

 

Assignment 4.10 is practice applying theorems about angles measures in triangles and amgles determined by parallel lines.

 

Prerequisite Skills: Write measures of alternate interior angles and corresponding angles determined by parallel lines (Assignment 4.6). Calculate measures of angles in triangles (Assignment 4.8).  Solve algebraic equations with one variable. 

 

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