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Geometry
090512
17
Mathematics
4th Grade
09/05/2012

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Cards

Term
Parallelogram
Definition
A quadrilateral that has two pairs of parallel sides
Term
Obtuse Angle
Definition
An Obtuse Angel is more than 90 degrees but less than 180 degrees
Term
Rhombus
Definition
If all sides of paralleogram are equal but angles are not equal to 90 degrees then this parallelogram is called a rhombus. All squares are rhombuses but not all rhombuses are squares.
Term
Acute Angle
Definition
Less than 90 degrees
Term
Quadrangle
Definition
Four sided polygon
Term
Ray
Definition
A straight pat begins at a point and goes on forever in only one direction
Term
Polygon
Definition
A closed figure made up of several line segments that are joined together. The sides do not cross each other. Joined together to form a chain or circuit. Flat Shape
Term
Rectangle
Definition
Has two pairs of parallel sides
Term
Trapezoid
Definition
4 sided figure with one pair of parallel sides
Term
Hexagon
Definition
A six sided polygon
Term
Intersecting Streets
Definition
Two streets that cross over each other
Term
Parallel
Definition
Lines never intersect
Term
Line Segment
Definition
Part of line with two endpoints
Term
Right Angle
Definition
An angle whose measure is exactly 90 degrees
Term
Intersecting
Definition
Lines cross over each other at a certain point
Term
Ray
Definition
A ray has one endpoint
Term
Line
Definition
A straight path that goes on forever in two directions
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