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27 Cards in this Set
- Front
- Back
Angle
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2 rays joined at a common point.
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Reflex Angle
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Any angle between 180-360 degrees.
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Parallelogram
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A quadrilateral with opposite sides that are parallel and of equal length and opposite and opposite angles that are equal.
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Rectangle
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A quadrilateral with 4 right angles and 2 pairs of equal parallel lines.
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Acute Triangle
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A triangle whose angles are between 0 - 90 degrees.
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Square
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A quadilateral sides with 4 equal sides and 4 right angles. |
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Isoceles Triangle
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A triangle with 2 equal sides and 2 equal angles.
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Straight Angle
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An Angle measuring 180 degrees.
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Quadrilateral
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Polygon with 4 sides.
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Scalene Triangle
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A triangle in which all 3 sides are a different length.
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Obtuse Triangle
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A triangle with 1 angle being between 90-180 degrees.
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Right Triangle
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A triangle that has a right angle (90 degrees).
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Degree
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A unit of measure to measure angles.
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Right Angle
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An angle measuring 90 degrees.
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Protractor
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A tool to measure angles.
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Polygon
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A plane shape having 3 or more sides.
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Triangle
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A polygon with 3 sides and 3 angles.
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Parallel
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Lines that are the same distance apart.
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Congruent
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Figures that have the same size and shape.
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Perpendicular lines
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Lines that intersect at right angles.
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Compass
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A tool to make circles
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Obtuse Angle
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An angle measuring between 90-180 degrees.
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Line
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A long thin continuous mark that goes in both directions.
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Line Segment
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A section of a line bounded by 2 endpoints.
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Ray
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A line that has a starting point but no ending.
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Acute Angle
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An angle measuring less than 90 degrees.
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Point
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A position in space. A very small location.
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