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Geometry

QuestionAnswer
Parallel Lines These are lines that never intersect.
Perpendicular Lines Lines that intersect at a right (90 degree) angle.
Intersecting Lines Lines that meet or cross at one point.
Line Segment A part of a line with two endpoints
Line of Symmetry The line that a figure can be folded on and produce 2 halves that could lay on top of one another identically.
Ray A part of a line that has two endpoints and continues on forever in the other direction.
Angle Two rays that meet at an end point.
Vertex The point where two rays meet to form an angle.
Degree Measurement of angles
Point An exact location in space or on a plane.
Acute Angle An angle that is smaller than 90 degrees
Right Angle An angle that is exactly 90 degrees
Obtuse Angle An angle that is greater than 90 degrees but less than 180 degrees
Straight Angle An angle that is exactly 180 degrees
Line A line that goes on in both directions, forever.
Rhombus A quadrilateral with 4 congruent sides.
Polygon A closed figure with all straight sides.
Quadrilateral A 4 sided polygon
Trapezoid A quadrilateral with exactly one pair of parallel sides
Parallelogram A quadrilateral with 2 pairs of parallel sides.
Square A quadrilateral with 4 congruent sides and 4 right angles
Rectangle A quadrilateral with 4 right angles and two pairs of parallel sides
Congruent Same size, same shape
Created by: freundk
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