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### 14 Cards in this Set

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• Back
 definition of a segment bisector segment bisector intersects a segment at its midpoint reverse definition of a segment bisector any line that intersects a segment at its midpoint is the segment bisector definition of a midpoint midpoint devides a segment into 2 congruent segments reverse definition of a midpoint any point that divides a segment into 2 congruent segments is the midpoint definition of an angle bisector angle bisector divides an angle into 2 congruent angles reverse definition of an angle bisector any ray that divides an angle into 2 congruent angles is the angle bisector definition of perpendicular lines perpendicular lines intersect to form right angles reverse definition of perpendicular lines any two lines that intersect to form right angles are right angles definition of complementary angles complementary angles are 2 angles that unite to form a right angle reverse definition of complementary angles any two angles that unite to form a right angle are complementray definition of supplementary angles supplementary angles are 2 angles that unite to form a straight line reverse definition of supplementary angles any 2 angles that unite to form a straight line are supplementary Addition property if x=7, then x + 3 = 10 if AB =3 and BC=5, then AB + BC = 3 + 5 subtraction property if x = 10, then x-3=7 if the measure of angle A + 20 = 60, then the measure of angle A is 40