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28 Cards in this Set
- Front
- Back
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Bisecting Lines
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line that divides an angle into 2 congrouent angles
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perpendicular Lines
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2 lines that intersect to form 90º angles +
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interior angle
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angles inside a shape
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exterior angles
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angles that are formed when extending the sides of a shape
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straight angle
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flat angle 180º
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Transversal Line
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the line that intersects 2 lines
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adajacent angles
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2 angles that are conected
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scalene triangle
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3 sides are different
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isoceles
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2 sides equal
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equilateral triangle
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3 sides equal
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acute triangle
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all angles are less than 90º
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obtuse triangle
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only ine side thats bigger than 90º
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quadrilateral
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any 4 sidded shape
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parallelogram
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both pares of opposite sides are parallel
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rhombus
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a quadrilateral with the 4 same side lengths
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rectangle
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4 90º angles
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square
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4 equal sides+ 4 90º angles
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trapezoid
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quadrilateral only one set of sides are parallel
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pentagon
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5
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hexagon
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6
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heptagon
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7
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octagon
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8
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nonagon
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9
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decagon
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10
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polygon
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any number of sides/closed
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regular polygon
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(stop sign) all sides ae equal.
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irregular pollygon
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all sides aren't equal
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similar polygons
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congruent angles+ propertioned sides
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