8 terms

math vocab for chp.3

parallel lines
lines that are coplanar, but never intersect
skew lines
lines that aren't coplanar, but never intersect
a line that intersects 2 more parallel lines
corresponding angles
occupy the same position on each parallel line
alternate interior angles
inside (between) the parallel lines one on each parallel line ( one on each parallel lines) and on opposite lines of the transversal
alternate exterior angles
outside the parallel lines one on each and on opposite sides of the transversal
consecutive interior angles
between the 2 parallel lines on the same side of the transversal
flow proof
uses arrows to show the flow of the logical argument