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39 Cards in this Set
- Front
- Back
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an exact location in space
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Point
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a line that goes on forever in one direction
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Ray
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a flat surface that continues infinitel in all directions.
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Plane
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part of a line with two end-points
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Line Segment
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a straight path that goes on forever in both directions
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Line
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lines that don't intersect and they aren't parallel because their on two different planes
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Skew Lines
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a point that seperates a line segement into two congruent lines
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Midpoint
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90*
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Right Angle
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greater than 90*
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Obtuse Angle
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two lines with the same length
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Congruent Segents
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lines that never intersect
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Parallel Lines
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two lines that meet at a point
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Interesecting Lines
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less than 90*
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Acute Angle
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two angles whose sum is 180*
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Supplementary Angles
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two angles whose sum is 90*
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Complementary Angles
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a line that divides an angle into two congruent angles
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Bisecting Lines
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two lines that intersect to form 90* angles
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Perpendicular Lines
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angles inside a shape
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Interior Angles
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angles that are formed by extending the sides of a shape
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Exterior Angles
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180*
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Straight Angles
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a line that intersects with another line
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Transversal Line
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two angles that are connected
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Adjacent Angles
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2 sides are equal
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Isoceles Triangle
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3 sides are equal
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Equilateral Triangle
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all sides are different
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Scalene Triangle
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all 3 angles are less than 90*
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Acute Triangle
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all 3 angles are more than 90*
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Obtuse Triangle
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one angle is 90*
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Right Triangle
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any 4 sided shape
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Quadrilateral
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both pairs of opposite sides are parallel
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Parallelogram
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a quadrilateral with 4 equal sides
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Rhombus
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has to have four 90* angles
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Rectangles
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4 equal sides and four 90* angles
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Square
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a quadrilateral, 1 side is parallel
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Trapezoid
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5
6 7 8 9 10 |
Pentagon
Hexagon Heptagon Octagon Nonagon Decagon |
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any number of sides, closed though
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Polygon
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all sides are equal (stop sign)
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Regular Polygon
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all sides aren't equal
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Irregular Polygon
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congruent angles perportional sides
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Similar Polygons
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