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M217 Section 1.4. Angle Pairs. Special Angle Pairs. Ex 1: Name each angle pair as adjacent, linear, vertical, or none. 1 and 2 3 and 4 3 and 5 1 and 3 2 and 3. 5. 1. 4. 2. 3. 2. Solve for x. 35 + x. 2x + 10. Solve as indicated. Special Angle Pairs. - PowerPoint PPT Presentation
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M217 Section 1.4
Angle Pairs
2
Special Angle PairsTerm Definition ExampleAdjacent Angles
Linear Pair
Vertical Angles
Ex 1: Name each angle pair as adjacent, linear, vertical, or none• 1 and 2• 3 and 4• 3 and 5• 1 and 3• 2 and 3
1
23
4
5
2. Solve for x
2x + 1035 + x
Solve as indicated3. and are vertical angles. Let (3 8)
and (2 6) . Solve for x and .A B m A xm B x m A
4. and are a linear pair. Let (3 4)and (7 6) . Solve for x and .A B m A xm B x m B
6
Special Angle PairsTerm Definition ExampleComplementary Angles
Supplementary Angles
7
Find each Supplement and Complement
Angle Complement Supplement5) 65◦
6) 87.2◦
7) 95◦
8) (4x + 2)◦
9) (10x – 6)◦
Solve as indicated10. and are supplementary angles. Let (2 )
and (8 6) . Solve for x and .A B m A xm B x m A
11. The ratio of the measures of two complementary angles is 1:3. What is the measure of the larger angle?