vocabulary. a starting point and all points on a line continuing in one direction only
TRANSCRIPT
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Geometry Unit 2Vocabulary
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A starting point and all points on a line continuing in one direction only
Ray
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Three or more points on the same line
Collinear
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Angles that are next to each other They share a common vertex and have a
common side
Adjacent Angles
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Used to calculate the distance between 2 points on a grid
Distance Formula
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Cuts a segment into 2 congruent parts Can be a point, a line or a ray
Segment Bisector
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Ray that divides an angle into 2 congruent angles
Angle Bisector
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If, then statement
Conditional Statement
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Switching the “if” and “then” parts of a conditional statement
Conditional : If you’re at Olive Garden, then you’re family
Converse : If you’re family, then you’re at Olive Garden
Converse
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A statement showing why an “if – then” statement isn’t always true
If it’s Nike, then Just Do It.
Counterexample
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If and only if statement Conditional : If it’s fresh, then it’s Subway Biconditional : It’s fresh if and only if it’s
Subway
Biconditional
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Angles formed when 2 lines intersect across from each other
Vertical Angles
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Two adjacent angles that form a straight line
Linear Pair
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Two angles whose measures add up to 90 degrees
Complementary
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Two angles whose measures add up to 180 degrees and form a straight line
Supplementary