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alternate exterior angles

exterior angles that lie opposite sides of a transversal

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alternate interior angles

interior angles that lie opposite sides of a transversal

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complementary angles

the sum of two angles thaat adds up to be 90

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congruent polygons

polygons hat have the same size and shape

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corresponding angles

angles that have the same position on 2 different parallel lines cut by a transversal

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equiangular

polygon in which all angles are congruent

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equilateral

polygon in which all sides are congruent

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exterior angles

the 4 outer angles formed by 2 lines cut by a transversal

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interior angles

an angle inside a polygon

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line of reflection

the line a figure is flipped over

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line symmetry

figures that match exactly when folded in half

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parallel lines

lines that never intersect, run on same plane

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perpendicular lines

2 lines that intersect to form right angles

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reflection

type of transformation which a mirror image is produceed by flipping a figure

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regular polygon

a polygon that is equilateral and equiangular

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supplementary angles

the sum of 2 angles that add up to be 180

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translation

a transformation in which a figure is sild horizontally, vertically, or both

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transversal

line that intersects 2 or more other lines to form 8 angles

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transformation

a mapping of a geomeric figure

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vertical angles

opposite angles formed by the intersection of 2 lines, they are congruent

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