UCSS Secondary Math II Unit 5 Lesson 5

Walch Education, Jul 31, 2014

These applets are provided by Walch Education as supplemental material for the [i]UCSS Secondary Math II[/i] program. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on our resources.


  • 1. UCSS Math II 5.5.1 Example 4
  • 2. UCSS Math II 5.5.1 Example 5
  • 3. UCSS Math II 5.5.2 Example 3
  • 4. UCSS Math II 5.5.2 Example 4

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UCSS Math II 5.5.1 Example 4

Prove that vertical angles are congruent given a pair of intersecting lines, [math]\overleftrightarrow{AC}[/math] and [math]\overleftrightarrow{BD}[/math].

[list=1] [*]Draw a diagram and label three adjacent angles. [*]Start with the Supplement Theorem. [*]Use substitution. [*]Use the Reflexive Property. [*]Use the Subtraction Property. [*]Use the definition of congruence. [/list] This applet is provided by Walch Education as supplemental material for the [i]UCSS Secondary Math II[/i] program. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on our resources.
– Walch Education

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