Transcript 1-5 Angle Pair Relationships

Warm up
1. Solve 8x + 16 =-30
2. Simplify the expression
9x + 2y, where x=-7 and y=0.
3. 8b + 3c – 4f , let b = -2, c= -
3 and f = 2
4. Find the midpoint of the line
segment containing the points
(0, -7) and (-2, -5).
Homework Review
Today’s Objective
 TSWBAT name and identify angle relationships in order to
solve for angle measurements.
To identify basic shapes and figures in
Geometry
 Warm up
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Anticipatory Set
Vocabulary
Vertical Angles
Closure
Anticipatory Set
 If I fold a right angle, using segment addition postulate, what
is the sum of my two new angles?
 Warm up
 Anticipatory Set
 Vocabulary
 Vertical Angles
 Closure
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Vocabulary
1.
2.
3.
4.
5.
Complementary Angles
Supplementary Angles
Adjacent Angles
Linear Pair
Vertical Angles
Complementary Angles
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2 angles that add together to equal 90º
30
°
30
°
60°
60
°
Supplementary Angles
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2 angles that add up to equal 180°
120
°
60°
120
°
60°
Adjacent Angles
1.
2 angles that share a common vertex and side.
Linear Pair
 2 adjacent angles that, together, create a straight line.
Vertical Angles
 2 angles with their sides forming 2 pairs of opposite rays.
 Warm up
 Anticipatory Set
 Vocabulary
 Vertical Angles
 Closure
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Vertical Angle Activity
 Draw a large X on your patty paper
 Label the angles
 Cut them out
 Compare them to each other
Closure
Tell me 3 things you learned today.