Properties of Parallel Lines/Proving Lines Parallel
Parallel Lines and the Triangle Angle-Sum Theorem
The Polygon Angle-Sum Theorems
Lines in a Coordinate Plane
Slopes of Parallel and Perpendicular Lines
100
Fill in the blank: Linear Equations that are parallel have the same ______.
Slope
100
The sum of the angles of a triangle.
180 degrees
100
A nonagon has this many sides.
9
100
The name of this form of writing a line:
y=mx+b
Slope-Intercept Form
100
Multiplying two perpendicular slopes together (aside from 0 and infinity) yields this number.
-1
200
The name of the angle pair made by angles 1 and 5
Corresponding Angles
200
Classify a triangle with angle measures of 35, 55, 90 degrees by its angles.
Right
200
For any polygon, the sum of all the exterior angles is this number.
360
200
Convert this equation into slope intercept form:
4x-2y=8
y=2x-4
200
The slope perpendicular to -1/4 is this number.
4
300
The name of the angle pair made by angles 3 and 5
Alternate Interior Angles
300
Classify a triangle with side lengths 5cm, 2cm, and 4cm by its lengths.
Scalene
300
This formula gives us what knowledge about a polygon?
180(n-2)
The sum of the interior angles of a polygon
300
The name of this form of a linear equation.
Ax+By=C
Standard Form
300
Write the equation of a line that is parallel to y=4x+2 and goes through (-2, 0).
y=4x+8
400
The name of the angle pair made by angles 2 and 5
Same-Side Interior Angles
400
The name for angle 4 based on where it is in the triangle.
Exterior angle
400
What is the interior angle sum of a heptagon?
900
400
Convert this equation into slope-intercept form. Leave in fraction form, if necessary.
4x+3y=7
y=-4/3x+7/3
400
Write the equation of the line parallel to the line y=1/2 x - 5 that runs through the point (-2, -4)
y=1/2x-3
500
In a plane, if two lines are perpendicular to the same line, then the two lines are _____________.
Parallel
500
The name of this theorem:
mangle4=mangle1+mangle2
(Triangle) Exterior Angle Theorem
500
The measure of one interior angle of a regular octagon.
135 degrees
500
Write the equation of a line that has a slope of 3 and goes through the point (5,2) in slope-intercept form.
y=3x-13
500
Write the equation of a line that is perpendicular to the line y=3/4 x + 2 and runs through the point (-6, 1).
y=-4/3x-7