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1 Vocabulary Flash ards acute angle adjacent angles hapter 1 (p. 39) hapter 1 (p. 48) angle angle bisector hapter 1 (p.38) hapter 1 (p. 42) axiom between hapter 1 (p. 12) hapter 1 (p. 14) collinear points complementary angles hapter 1 (p. 4) hapter 1 (p. 48) opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

2 Vocabulary Flash ards Two angles that share a common vertex and side, but have no common interior points n angle that has a measure greater than 0 and less than 90 common side 5 6 common vertex 5 and 6 are adjacent angles. ray that divides an angle into two angles that are congruent set of points consisting of two different rays that have the same Y X W,,, or 1 vertex sides Z 1 YW bisects XYZ, so XYW ZYW. When three points are collinear, one point is between the other two. rule that is accepted without proof The Segment ddition Postulate states that if is between and, then. Point is between points and. Two angles whose measures have a sum of 90 Points that lie on the same line D,, and are collinear. and are complementary angles. opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

3 Vocabulary Flash ards congruent angles congruent segments hapter 1 (p. 40) hapter 1 (p. 13) construction coordinate hapter 1 (p. 13) hapter 1 (p. 12) coplanar points defined terms hapter 1 (p. 4) hapter 1 (p. 5) distance s hapter 1 (p. 12) hapter 1 (p. 5) opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

4 Vocabulary Flash ards Line segments that have the same length Two angles that have the same measure 5 in. 5 in. D D real number that corresponds to a point on a line geometric drawing that uses a limited set of tools, usually a compass and a straightedge x 1 x 2 coordinates of points D Terms that can be described using known words, such as point or line Points that lie in the same plane Line segment and ray are two defined terms. M,, and are coplanar. Points that represent the ends of a line segment or ray The absolute value of the difference of two coordinates on a line x 1 x 2 = x 2 x 1 opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

5 Vocabulary Flash ards exterior of an angle interior of an angle hapter 1 (p. 38) hapter 1 (p. 38) intersection line hapter 1 (p. 6) hapter 1 (p. 4) line segment linear pair hapter 1 (p. 5) hapter 1 (p. 50) measure of an angle midpoint hapter 1 (p. 39) hapter 1 (p. 20) opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

6 0 180 Vocabulary Flash ards The region that contains all the points between the sides of an angle The region that contains all the points outside of an angle interior exterior line has one dimension. It is represented by a line with two arrowheads, but it extends without end. The set of points two or more geometric figures have in common m n line, line (), or line () The intersection of two different lines is a point. Two adjacent angles whose noncommon sides are opposite rays onsists of two s and all the points between them common side 1 2 noncommon side noncommon side 1 and 2 are a linear pair. The point that divides a segment into two congruent segments M is the midpoint of. So, M M and M M. opyright ig Ideas Learning, LL ll rights reserved. M The absolute value of the difference between the real numbers matched with the two rays that form the angle on a protractor O m O ig Ideas Math Geometry

7 Vocabulary Flash ards obtuse angle opposite rays hapter 1 (p. 39) hapter 1 (p. 5) plane point hapter 1 (p. 4) hapter 1 (p. 4) postulate ray hapter 1 (p. 12) hapter 1 (p. 5) right angle segment hapter 1 (p. 39) hapter 1 (p. 5) opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

8 Vocabulary Flash ards If point lies on and are opposite rays. between and, then n angle that has a measure greater than 90 and less than 180 and are opposite rays. location in space that is represented by a dot and has no dimension flat surface made up of points that has two dimensions and extends without end, and is represented by a shape that looks like a floor or a wall point M plane M, or plane is a ray if it consists of the and all points on that lie on the same side of as. rule that is accepted without proof The Segment ddition Postulate states that if is between and, then. onsists of two s and all the points between them n angle that has a measure of 90 opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

9 Vocabulary Flash ards segment bisector sides of an angle hapter 1 (p. 20) hapter 1 (p. 38) straight angle supplementary angles hapter 1 (p. 39) hapter 1 (p. 48) undefined terms vertex of an angle hapter 1 (p. 4) hapter 1 (p. 38) vertical angles hapter 1 (p. 50) opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

10 Vocabulary Flash ards The rays of an angle point, ray, line, line segment, or plane that intersects the segment at its midpoint sides D M D is a segment bisector of. So, M M and M M. Two angles whose measures have a sum of 180 n angle that has a measure of 180 M J K L JKM and LKM are supplementary angles. The common of the two rays that form an angle Words that do not have formal definitions, but there is agreement about what they mean In geometry, the words point, line, and plane are undefined terms. vertex Two angles whose sides form two pairs of opposite rays and 6 are vertical angles. 4 and 5 are vertical angles. opyright ig Ideas Learning, LL ll rights reserved. ig Ideas Math Geometry

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