Formulas/Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Distance formula (number line) | AB= I b-a I
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| Distance formula (coordinate plane) | d equals the square root of x2-x1 squared plus y2-y1 squared
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| Pythagorean Theorem | c squared equals a squared plus b squared
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| Midpoint formula (number line) | a+b/2
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| Midpoint formula (coordinate plane) | x1+x2/2, y1+y2/2
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| points on the same line | collinear
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| points on the same plane | coplaner
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| boundless, 3-dimensional set of all points, lines, and planes | space
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| measurable part of a line that consists of 2 endpoints and all the points between them | line segments
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| point M is between points p and q if and only if (IFF) p,q, and m are collinear and PM+MQ=PQ | betweenness
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| segments that have the same measure | congruent segments
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| point on a segment that divides a segment into 2 congruent segments | midpoint
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| any segment line or plane that intersects a segment at its midpoint | segment bisector
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| part of a line | ray
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| formed by two noncollinear rays that have a common endpoint | angle
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| the common endpoint | vertex
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| a ray that divides an angle into two congruent angles | angle bisector
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| angle that measures less than 90 degrees | acute angle
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| angle that measures more than 90 degrees | obtuse angle
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| angle that is 90 degrees | right angle
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Created by:
holmesem
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