Vocabulary
Any line that intersects two or more coplanar lines.
What is a transversal
If two parallel lines are cut by a transversal, these angles are on the inside of the two parallel lines and on the same side of the transversal.
What are Same Side Interior Angles (Consecutive Interior)
Two angles are congruent. The measure of the first angles is 42 degrees, what is the measure of the second angle
What is 42
If a pair of adjacent angles formed by intersecting line are linear pairs, what is their relationship
What is supplementary
If a transversal cuts two parallel lines, how many angle measures do you need to know to figure out all 8 angle measures in the figure.
What is 1.
Two angles whose measures add up to 180 degrees
What are supplementary angles
Two angles whose measures add up to 90o
What are Complementary Angles.
What is the relationship between angles 4 and 5?
What are Alternate Interior Angles.
One way to prove that lines are parallel lines is through understanding that corresponding angles are
What is congruent
If a transversal cuts two non-parallel lines, at least how many angles do you need to know to figure out all 8 angles in the figure?
What is 2.
When 2 parallel lines are both intersected by a transversal, these angles occupy the same position on the top and bottom parallel lines.
What are Corresponding Angles.
A pair of adjacent angles formed by intersecting lines.
What are Linear Pair Angles.
If the measure of angle 8 is 112, what is the measure of angle 6?
What is 68.
To prove that lines are parallel one must understand that same side interior angles are
What is supplementary
If the measure of <1 is 46 degrees, what is the measure of <8 and <7?
What is m<8 = 46 and m<7 = 134
When two points or lines are in the same plane.
What is Coplanar.
If two parallel lines are intersected by a transversal these angles are located on the outside of the two parallel lines and on the same side of the transversal.
What are Same Side Exterior Angles.
What is the relationship between angles 1 and 7?
What are Same Side Exterior Angles.
If the measure of angle 2 is 30o , what is the measure of angle 7?
What is 30.
If the measure of <3 is 142, what is the measures of <5, <6, and <7?
What is m<5=38, m<6=142, m<7=38.
When 2 parallel lines are both intersected by a transversal these angles are inside of the two parallel lines and on opposite sides of the transversal.
What are Alternate Interior Angles.
Coplanar lines that do not intersect.
What are parallel lines.
If the measure of anlge 1 is 37 degrees, what is the measure of angle 8? What is the angle relationship?
What is 37 and Alternate Exterior Angles
Given that l || m, m<1=98°, then the measures of <3 and <8 are:
What is m<3 = 82 and m<8 = 98.
If the measure of <3 is 150 and the measure of <6 is 3x, what is the value of x?
What is 3x=150, x=50