Vocabulary
Vocabulary Part 2
Angle Relationships
Proofs
Equations of Lines
100
Two angles whose measures add up to 180 degrees
What are supplementary angles
100
A straight one-dimensional figure having no thickness and extending infinitely in both directions
What is a line
100
Given that lines m and l are parallel, which angle is vertical to angle 5
What is angle 7
100
If y = 13 then 13 = y, name the property.
What is symmetric property
100
The slope-intercept equation of a line through the point (0,-7) and with a slope of -9.
What is y = -9x - 7
200
Coplanar lines that do not intersect
What are parallel lines
200
Two angles whose measures add up to 90
What are complementary angles
200
Given that lines m and l are parallel, name all the sets of alternate exterior angles.
What is angles 1/7 and angles 2/8
200
One way to prove lines are parallel is through the understanding that corresponding angles are
What is congruent
200
The slope of the line between the points (-1,-3) and (2, -5).
What is -2/3
300
Congruent angles formed by two intersecting lines
What are vertical angles
300
A pair of adjacent angles formed by intersecting lines.
What are Linear Pair Angles.
300
Given line m is parallel to line n, find the value of x and each angle. Then state the angle relationship.
What is x = 14, each angle is 70°, and corresponding angles
300
To prove that lines are parallel one must understand that same side interior angles are
What is supplementary
300
The point-slope form equation of a line through (8, -1) with a slope of 3/4.
What is y +1 = 3/4 (x-8)
400
A pair of angles that are between the two parallel lines and on the same side of the transversal
What are Same Side Interior Angles (Consecutive Angles)
400
Any line that intersects two or more coplanar lines.
What is a transversal
400
Given that the two lines are parallel as shown below, find the value of x and each angle. Then state the angle relationship.
What is x = 7, each angle is 100°, and alternate interior angles
400
If you know two angles are congruent and you are trying to prove that lines are parallel, the word that needs to be in your reason.
What is converse
400
The slope-intercept form equation of a line containing the point (-4, 3) and has a slope of -2.
What is y = -2x - 5
500
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
500
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.
500
Given that line m || line n, find the value of x and each angle. Then state the angle relationship.
What is x = 19 , first angle is 95°, second angle is 85°, and same side interior angles
500
Complete the missing reason to go with statement 3.
Statements Reasons
1. m || l 1. Given
2. ∠ 3 ≅ ∠ 5 2. Alternate Interior Angles
3. m ∠ 3 = m ∠ 5 3.
What is definition of congruent
500
The slope-intercept form equation of a line through the point (7, 2) and (2, 12).
What is y = -2x +16