Geometry CP Vocabulary Review for Exam

Front

lines that intersect to form right angles

Back

perpendicular lines

Front

figures that have the same size and shape

Back

congruent

Front

a part of a line which has one endpoint and extends infinitely in one direction

Back

ray

Front

a ray that divides an angle into two congruent angles

Back

angle bisector

Front

a figure formed by two rays with a common endpoint

Back

angle

Front

two angles whose sum is 90 degrees

Back

complementary angles

Front

two angles whose sum is 180 degrees

Back

supplementary angles

Front

lines that never intersect and are equidistant from each other

Back

parallel lines

Front

angles that are opposite each other when two lines intersect

Back

vertical angles

Front

a straight line that divides a segment into two equal parts

Back

midpoint