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Definition
| plane figure formed by two rays with a common end point |
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| each ray is a SIDE of the angle |
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| common endpoint of the angle |
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| the points that are inside of the angle |
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| the points that are outside of the angle |
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| what angles are measured in |
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| used to measure or draw an angle |
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| lines that do not intersect that are on the same plane |
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| lines that do not intersect that are not on the same plan |
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| an angle between 0 and 90 degrees |
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| an angle between 90 and 180 degrees |
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| 2 lines in the same plane that intersect to form right angles |
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| the point that divides the segment into 2 equal segments |
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Definition
| segments that are equal in lenth |
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| line ray or segment that intersects a segment at its midpoint |
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| if segment bisector is perpendicular to the segment |
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| angles that are equal in measure |
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| ray that divides an angle into 2 equal angles |
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| 2 angles whose measures have a sum of 90 degrees |
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Term
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Definition
| each angle is said to be the the "complement" of eachother |
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| 2 angles who measures have the sum of 180 degrees |
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Term
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Definition
| each angle is said to be the"supplement" of the other |
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Term
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Definition
| 2 angles that are in the same plane, share a vertex, but have no interior points in common |
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Term
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Definition
| when non common sides of 2 adjacent angles are opposite rays |
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Term
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| 2 equal angles formed by intersecting lines. Their sides are pairs of opposite rays. |
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| a line that intersects 2 or more lines at different points |
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Term
| interior and exterior angles |
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Definition
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| a pair of angles one interior and one exterior that are both on the same side of the transversal |
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| alternate interior angles |
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Definition
| pair of interior angles on oppisite sides of the transversial |
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Term
| alternate exterior angles |
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Definition
| pair of exterior angles on opisite sides of the transversal |
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Definition
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Term
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Definition
| if a polygon has "N" sides you call it a n-gon ex. 16 sides = a 16-gon |
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Definition
| a side of a polygon is a line segment that connects 2 verticals and is not a side |
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| 2 sides congruent and 1 right angle |
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| no sides congruent and 1 obtuse triangle |
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| exactly the same size and shape |
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Definition
| quadrilateral with 1 pair of parallel sides |
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Definition
| quadrilateral with 2 pairs of parallel congruent sides. opposite sides as well as opposite angles are congruent |
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Definition
| parallelogram with 4 right angles |
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Definition
| parallelogram with 4 right angles and four congruent sides |
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Definition
| parallelogram with 4 congruent sides |
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Term
| interior angle of a convex polygon |
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Definition
| an angle determined by two CONSECUTIVE SIDES of the polygon |
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Definition
| a set of points in a plane |
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| the same distance from a given point ( a circle is named by its center ) |
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| line segment from the center of a circle to to a point on the circle |
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| has a vertex at the center of the circle |
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| line segment with endpoints on the circle |
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| a chord that passes through the center of a circle |
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| part of a circle, arc connects the endpoints of a diameter to measure 180 degrees |
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| region bounded by two radius (radii) and their intercepted arc. |
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| have the same shape may or may not have the same size |
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Definition
| (matching sides and angles) of congruent polygons are congruent |
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Definition
| (matching angles) of similar polygons are congruent |
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