Chapter 3 Vocab

Question 1

Parallel Lines

Answer 1

coplanar lines that do not intersect

Question 2

Skew Lines

Answer 2

Not parallel, non-coplanar, and do not intersect

Question 3

Parallel planes

Answer 3

planes that do not intersect

Question 4

Transversal

Answer 4

lines that intersects 2 or more coplanar lines at distinct points

Question 5

Alternate Interior angles

Answer 5

non-adjacent interior angles that lie on opposite sides of the transversal

Question 6

Same side interior angles

Answer 6

interior angles that lie on the same side of the transversal

Question 7

Corresponding angles

Answer 7

lie on the same side of the transversal and in corresponding positions

Question 8

Alternate Exterior angles

Answer 8

nonadjacent exterior angles that lie on opposite sides of the transversal

Question 9

Flow Proof

Answer 9

arrows that show the logical connection between the statements; reasons are written below

Question 10

Auxiliary line

Answer 10

line that you add to a diagram to help explain relationships in proofs

Question 11

Exterior angle of a polygon

Answer 11

an angle formed by a side and an extension of an adjacent side

Question 12

Remote interior angle

Answer 12

form each exterior angle of a triangle, the two nonadjacent interior angles

Question 13

Slope

Answer 13

ratio of vertical change to the horizontal change between any two points (rise/run)

Question 14

Slope intercept form

Answer 14

y=mx+b

Question 15

Point slope form

Answer 15

y-y1=m(x-x1)

Question 16

Slope equation

Answer 16

(y₂ - y₁) / (x₂ - x₁)