Any line that intersects two or more parallel lines.
What is a transversal
Parallel lines
Straight lines that never intersect
Two angles form a linear pair. The measure of the first angles is 42 degrees, what is the measure of the second angle.
What is 138
Two angles whose measures add up to 180 degrees
What are supplementary angles?
Complementary Angles
Two angles whose measures add up to 90
What is the relationship between angles 3 and 6 ?
What are Alternate Interior Angles.
When two lines are cut by a transversal, the pair of angles on one side of the transversal and inside the two lines are called ....
Consecutive Interior Angles
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.
Linear Pair Angles
A pair of adjacent angles formed by intersecting lines. These angles are also supplementary.
If the measure of angle 4 is 112, what is the measure of angle 6?
What is 68. (same-side interior angles)
If the measure of angle 1 = 4x-6 and the measure of angle 5 =122, what is the value of x?
What is 4x-6=122
4x=128
x=32
Congruent angles formed by two intersecting lines. These angles are located across from each other.
What are vertical angles?
Alternate Exterior Angles
If two parallel lines are intersected by a transversal, these angles are located on the outside of the two parallel lines on opposite sides of the transversal.
If the measure of angle 2 is 30 degrees , what is the measure of angle 6 plus angle 3?
What is 60.
Angles 6 and 7 are vertical.
If the measure of angle 6 is 75 and the measure of angle 7 is 3x, what is the value of angle 6 plus angle 7?
What is 50
3x=75
x=25
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?
Consecutive Interior
pair of angles on one side of the transversal and inside the two lines
If the measure of angle 2 is 37 degrees, what is the measure of angle 8?
What is 143
Given that a || m, measure of angle 5=98°, then the measures of angles 3 and 4 are:
What is angle 3 =82 degrees and angle 4= 98 degrees
If the measure of angle 4= 5x+3 and the measure of angle 6= 8x-5, find the measure of angles 6?
What is 5x+3+8x-5=180
13x-2=180, 13x=182, x=14
Angle 6= 8(14)-5=107 degrees