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3.4 Parallel Lines and the Triangle Angle Sum Theorem
1
October 07, 2009
Mar 1812:23 PM
3.4 Parallel Lines and the Triangle AngleSum Theorem
Objectives:*Classify triangles and find the measures of their angles.*Use exterior angles of triangles.
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:24 PM
Check Skills You'll NeedClassify each angle as acute, right, or obtuse.1. 2. 3.
Solve each equation.4. 30 + 90 + x = 180 5. 55 + x + 105 = 180
6. x + 58 = 90 7. 32 + x = 90
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:24 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:25 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:26 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:27 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:27 PM
Classify each triangle by its angles.
Classify each triangle by its sides.
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:27 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:28 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:28 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
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October 07, 2009
Mar 1812:29 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
12
October 07, 2009
Mar 1812:29 PM
3.4 Parallel Lines and the Triangle Angle Sum Theorem
13
October 07, 2009
Mar 1812:29 PM
Homework: page 150
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