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### 30 Cards in this Set

• Front
• Back
 perpendicular lines that intersect to form, four right angles adjacent angles that share a common side the same vertex scalene triangle with no congruent sides vertical congruent angles formed opposite one another when two lines intersect transversal a line that intersects parallel lines rhombus a special parallelogram that has 4 congruent sides square special parallelogram that has 4 right angles and 4 congruent sides kite quadrilateral with two consecutive congruent sides opposite angles are congruent protractor tool used to measure and draw angles plane two-d surface that extends in all directions complementary angles that equal 90 degrees when combined angle two rays that begin at the same point obtuse an angle that measures more than 90 degrees acute an angle that measures less than 90 degrees right an angle that measures 90 degrees skew lines that never intersect because thay are in different planes rectangle a special parallelogram with four right angles ray a part of a line that begins at a point and extends in one direction without ending corresponding congruent angles that hold the same relative position when parallel lines are cut by a transversal polygon a closed geometrical figure with straight sides pyramid a 3-d figure whose edges come up from the base to intersect at one vertex equilateral triangle with three congruent sides trapezoid a quadrilateral with only one pair of opposite sides parallel prism a 3-d figure with two bases that are parallel and congruent parallelogram quadrilateral whose opposite sides are parallel and congruent and opposite angles are congruent point a position in space represented by a dot and named by a capital letter line a straight path extending without end in two directions and named by two points parallel lines that are in the same plane and are the same distance apart line segment part of a line consisting of two endpoints and all the endpoints in between supplementary angles that equal 180 degrees when combined