angle bisector
a ray that divides an angle into two congruent complainer angles
construction
you use a straightedge and a compass to draw a geometric figure
straightedge
a ruler with no markings on it
compass
is a geometric tool used to draw circles and parts of circles called arcs
perpendicular lines
are two lines that intersect to form right angles
perpendicular bisector
a segment is a line, segment, or ray that is perpendicular to the segment at its midpoint, thereby bisecting the segment into two congruent segments