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vocabulary project

25 vocabulary

QuestionAnswer
acute angle less than 90
congruent angle angles with the same measures
coplanar points and lines in the same plane
midpoint a point that divides a segment into two congruent
perpendicular lines intersect to form right angles
ray a part of a line that consists of an initial point and all points on the line that lie on one side of the initial point
space boundless 3-dimensional set of all points.
angle is two rays that are connecte at their end points
congruent segments two segments with the same length
counterexample
obtuse angle grather than 90
plane is flat surface that has no thickness, it extends without end in all directions
right angle exactly 90 d
Created by: RaeLana Pickett RaeLana Pickett on 2010-02-08



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