# Math Vocab Ch 6

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Math Ch 6 Vocab

### alternate exterior angles

exterior angles that lie opposite sides of a transversal

### alternate interior angles

interior angles that lie opposite sides of a transversal

### complementary angles

the sum of two angles thaat adds up to be 90

### congruent polygons

polygons hat have the same size and shape

### corresponding angles

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

### equiangular

polygon in which all angles are congruent

### equilateral

polygon in which all sides are congruent

### exterior angles

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

### interior angles

an angle inside a polygon

### line of reflection

the line a figure is flipped over

### line symmetry

figures that match exactly when folded in half

### parallel lines

lines that never intersect, run on same plane

### perpendicular lines

2 lines that intersect to form right angles

### reflection

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

### regular polygon

a polygon that is equilateral and equiangular

### supplementary angles

the sum of 2 angles that add up to be 180

### translation

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

### transversal

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

### transformation

a mapping of a geomeric figure

### vertical angles

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

Example: