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27 Cards in this Set

  • Front
  • Back
Angle
2 rays joined at a common point.
Reflex Angle
Any angle between 180-360 degrees.
Parallelogram
A quadrilateral with opposite sides that are parallel and of equal length and opposite and opposite angles that are equal.
Rectangle
A quadrilateral with 4 right angles and 2 pairs of equal parallel lines.
Acute Triangle
A triangle whose angles are between 0 - 90 degrees.
Square

A quadilateral sides with 4 equal sides and 4 right angles.
Isoceles Triangle
A triangle with 2 equal sides and 2 equal angles.
Straight Angle
An Angle measuring 180 degrees.
Quadrilateral
Polygon with 4 sides.
Scalene Triangle
A triangle in which all 3 sides are a different length.
Obtuse Triangle
A triangle with 1 angle being between 90-180 degrees.
Right Triangle
A triangle that has a right angle (90 degrees).
Degree
A unit of measure to measure angles.
Right Angle
An angle measuring 90 degrees.
Protractor
A tool to measure angles.
Polygon
A plane shape having 3 or more sides.
Triangle
A polygon with 3 sides and 3 angles.
Parallel
Lines that are the same distance apart.
Congruent
Figures that have the same size and shape.
Perpendicular lines
Lines that intersect at right angles.
Compass
A tool to make circles
Obtuse Angle
An angle measuring between 90-180 degrees.
Line
A long thin continuous mark that goes in both directions.
Line Segment
A section of a line bounded by 2 endpoints.
Ray
A line that has a starting point but no ending.
Acute Angle
An angle measuring less than 90 degrees.
Point
A position in space. A very small location.