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### 26 Cards in this Set

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• Back
 Point A location in space having no dimensions Postulate 4 If two planes intersect, then their intersection is a line Line a set of points that extends infinitely in two opposite directions Intersection the set of points that are in both figures. Two lines intersect in a point. A plane and a line intersect in a point Plane a flat surface that exists without end in all directions Supplementary angles Two angles whose measures add up to 180 degrees Postulate 1 through any to points there is exactly one line. Bisector of an angle a ray that divides the angle into two congruent adjacent angles Complementary angles Two angles whose measures have a sum of 90 degrees A line segment a part of a line cosisting of two endpoints and all points that lie between them Straight angle Angles measues 180 degrees Acute angle Angle measures between 0-90 degrees Coplanar points points that lie in the same plane Vertical angles Two lines intersect the angles that are not adjacent to each other adjacent angle Two angles that have a common vetex and a common side, but no interior points in common Obtuse angle Angle measures etween 90-180 degrees Congruent angles have the same measure Right angle Angle measures exactly 9o degrees Postulate 2 through any three noncollinear poinst, there is exactly one line Degree The size of an angle is measured with this unit Space the set of all points Coplanar points points that lie on the same line Postulate 3 If tow points lie in a plane, then the line jioning them lies in that plane Angle the figure formed by two rays that have a common endpiont. The endpoint is called a vertex of the angle. Each ray formed a side of the angle. Congruent line segments have the samemeasure. The midpoint of a segment is thhe point that dividesthe segment into two conqruent segments. Perpendicular lines two lines that intersect to form equal adjacent right angles