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CV4 Geometry

TermDefinition
Acute Angle An angle that measures LESS than 90°
Obtuse Angle An angle that measures greater than 90° and less than 180°
Right Angle An angle that measures 90°
Straight Angle An angle that measures exactly 180°
Complementary Angles Two angles that have TOTAL of 90°
Supplementary Angles A pair that have a sum of 180°
Adjacent Angles Angles that are NEXT to each other; have a common vertex and common side, but do not overlap.
Angle A figure that is formed by two rays or line segments with a common endpoint.
Degree A unit of measure for angles based on dividing a circle into 360 equal parts.
Intersect lines that meet or cross
Line A straight path that goes on forever in both directions.
Line segment A straight path with two endpoints.
Perpendicular Lines cross or meet at right angles.
Point An exact location in space.
Protractor a tool that is used to measure and draw angles.
Ray A straight path that starts at one endpoint and goes on forever in one direction.
Vertex The point, where the sides of an angle or polygon meet.
Parallel Lines that are the same distance apart, and never cross
Trapezoid A quadrilateral with exactly ONE pair of parallel sides
Square A rectangle with four equal sides
Rectangle A parallelogram with four right angles
Rhombus A quadrilateral with four equal sides
Quadrilateral a polygon with four sides
Kite a quadrilateral with two pairs of adjacent, equal-length sides
Line of symmetry a line that divides a figure into two parts that are mirror images of each other
Parallelogram a quadrilateral with two pairs of parallel lines
Created by: staufferh
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