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Angle Vocabulary Bingo CA State Standards Grade Level: 6, Measurement and Geometry • 2.0 Students identify and describe the properties of twodimensional figures: • 2.1 Identify angles as vertical, adjacent, complementary, or supplementary and provide descriptions of these terms. • 2.2 Use the properties of complementary and supplementary angles and the sum of the angles of a triangle to solve problems involving an unknown angle. Grade Level: 8-12 Geometry • 7.0 Students prove and use theorems involving the properties of parallel lines cut by a transversal, the properties of quadrilaterals, and the properties of circles. • Contact Info. Sue Mori, 11/01/2008 [email protected] 1 midpoint of a segment • the point on the segment that divides it into two congruent segments. 2 bisector • A point, line, ray, or plane which divides a segment, angle, or figure into two parts of equal measure. 3 adjacent angles • adjacent angles Two nonstraight and nonzero angles with a common side interior to the angle formed by the noncommon sides. 4 bisector of an angle • bisector of an angle The ray in the interior of an angle that divides the angle into two angles of equal measures. 5 Vertical Angles 60 1 120 2 4 120 3 60 6 Characteristics of Vertical Angles • Vertical Angles are Congruent Angles. • Vertical Angles are Non-adjacent Angles. • Adjacent Angles are Supplementary. 7 Supplementary Angles H G E F M ______ and ________ are supplementary. _____and _______are a linear pair. 80 N 100 8 Linear Pairs A pair of Adjacent Angles whose non-common sides are opposite rays. 9 Word Bank 1) 2) acute 6) vertical 11) right parallel 21) transversal 4) obtuse 5) adjacent 7) 8) complementary supplementary 9) 12) 14) same side exterior 16) 3) alternate exterior 13) corresponding alternate interior congruent 17) straight 18) 19) perpendicular angle bisector 22) 23) segment bisector degree 10) same side interior 15) consecutive 20) intersect 24) linear side 10 Identify the angle pairs whose characteristics are • non-adjacent, • on the same side of the transversal, • on the same side of the given lines, and they are • Congruent. 11 Corresponding Angles 12 The properties of these angle pairs are • non-adjacent, • on opposite sides of the transversal, • between the given lines, and they are • Congruent. 13 Alternate Interior Angles 14 What types of angle pairs are there? They are • non-adjacent, • on opposite sides of the transversal, • above and below the given lines, and they are • congruent. 15 Alternate Exterior 16 Identify the following angle pairs. They are • non-adjacent, • on same side of transversal, • above and below the given lines, and they are • supplementary. 17 Same Side Exterior 18 What types of angle pairs are there? They are • non-adjacent, • on the same side of the transversal, • between the given lines, and they are • supplementary. 19 Same Side Interior 20 ? This indicates an angle that has a measure of exactly 90 . Right Angles 21 ? Two lines intersect to form four right angles. Perpendicular 22 ? This describes any two non-overlapping angles that share a common ray and a common vertex. Adjacent Angles 23 ? Two angles whose sum equals to 180 . Supplementary 24 ? These are also called opposite angles. They are non adjacent angles formed by intersecting lines. Vertical Angles 25 ? This describes an angle that measures exactly 180 . Straight Angles 26 ? This describes something that is always the same distance apart. Lines described as these lie in the same plane and do not intersect. parallel 27 ? Two angles whose sum equals to 90 . Complementary Angles 28 ? This is a line that intersects two or more other lines at different points. Transversal 29 ? If a circle were divided into 360 equal sized parts, each part would have an angle measure of one degree denoted by 1 . Degree 30 ? This describes an angle having a measure greater than 0 and less than 90 . Acute Angles 31 ? This describes an angle having a measure greater than 90 and less than 180 . Obtuse Angles 32 ? This separates a given segment into two segments with equal measure. Segment Bisector 33 ? This describes a pair of adjacent angles whose noncommon sides are opposite rays. Linear 34 ? A line, ray, or segment by which a given angle is divided into two congruent angles. Angle Bisector 35 ? This term when used to describe angle pair relationships is synonymous to “same side.” Consecutive 36 ? This means to meet or cross. Intersect 37 ? This refers to one of the rays that form an angle. Side 38 ? Having the same measure is synonymous to ___________ in math. Congruent 39 Works Cited Definitions are extracted from the following sources: Sorry…Under Construction 40