# Shared Flashcard Set

## Details

Math Terms
Terms from our sixth grade math study
33
Mathematics
06/02/2009

Term
 Acute Angle
Definition
 An angle that measures less than 90 degrees
Term
 Right Angle
Definition
 An angle that is exactly 90 degrees
Term
 Obtuse Angle
Definition
 An angle that is over 90 degrees
Term
 Straight Angle
Definition
 An angle that is exactly 180 degrees
Term
 Angle
Definition
 Has two sides and a middle point called a vertex
Term
 Bisect
Definition
 To seperate something into two equal parts
Term
 Complementary Angles
Definition
 Two angles whose sum equals 90 dregrees
Term
 Supplementary Angles
Definition
 Two angles whose sum equals 180 degrees
Term
 Congruent
Definition
 When the measure of two angles is equal
Term
 Perpindicular
Definition
 When two line segments intersect at a right angle
Term
 Congruent Figures
Definition
 Figures that have the same size and shape
Term
 Similar Figures
Definition
 Figures that have the same shape, but not the same size
Term
 Corresponding Parts
Definition
 The parts of Congruent Figures that "match"
Term
 Degree
Definition
 The most form of measurement for angles
Term
 Equilateral Triangle
Definition
 All sides and angles of the triangle are congruent
Term
 Scalene Triangle
Definition
 A triangle with no congruent sides
Term
 Isosceles Triangle
Definition
 A triangle with at least two congruent sides
Term
 Rotational Symmetry
Definition
 When a figure can be rotated and look exactly the same before it reaches a 360 degree rotation
Term
 Rectangle
Definition
 A figure with: All opposite sides congruent All angles Right And all opposite side parallel
Term
 Square
Definition
 A figure with: All sides congruent All angles right and all opposite sides parallel
Term
 Parallelogram
Definition
 A figure with: Opposite side congruent and parallel and all angles congruent
Term
 Rhombus
Definition
 A figure with: All sides congruent Opposite sides parallel And opposite angles congruent
Term
 Heptagon
Definition
 A figure with 7 sides
Term
 Hexagon
Definition
 A figure with 6 sides
Term
 Line of Symmetry
Definition
 The line that seperates a figure into 2 matching halves
Term
 Line Symmetry
Definition
 When the halves of a figure match
Term
 Octagon
Definition
 A figure with 8 sides
Term
 Pentagon
Definition
 A figure with 5 sides
Term
Definition
 A figure with 4 sides
Term
 Side
Definition
 Lines that share a common endpoint
Term
 Vertex
Definition
 The common endpoint of an angle
Term
 Regular Polygon
Definition
 A polygon with all congruent sides and angles
Term
 Polygon
Definition
 A closed, 2-dimensional figure with 3 sides or more
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