Vocabulary
A line that intersects two parallel lines is called a ______.
What is a Transversal?
The formula to find the sum of the interior angles of a polygon is ______.
What is S= (n-2)180 ?
The sum of the exterior angles of a polygon is equal to ______.
What is 360 degrees ?
When a transversal intersects two parallel lines, _______ ________ are congruent because they are in the same spot in both intersections.
What are Corresponding angles?
The angle corresponding to <2 is _____.
What is <6?
If two interior angles of a triangle are 54 and 43 degrees, what is the measurement of the opposite exterior angle?
What is 97 degrees?
The sum of the interior angles of a pentagon is ____.
What is 540 degrees?
The sum of the interior angles of a octagon is ____.
What is 1080 degrees?
If the measure of <4 is 61 degrees, then the measure of <5 is ____.
What is 61 degrees?
The measurement of the exterior angle of a triangle is the same as the sum of the two opposite ________ _________.
What is interior angles
The sum of the interior angles of a 13-gon is ____.
What is 1,980 degrees ?
The angles that are across from each other when two lines intersect are called _____.
What are Vertical Angles?
When a transversal intersects two parallel lines, four ____ are formed on the outside of the parallel lines.
What are Exterior Angles?
If the measure of <2 is 65 degrees, then the measure of <8 is ____.
What is 115 degrees?
If two interior angles of a triangle are 57 and 24 degrees, what is the measurement of the opposite exterior angle on this triangle?
What is 81 degrees?
What is the formula for finding a single exterior angle of a regular polygon?
What is 360/n
Two angles are _____________ when the sum of their measures is 180 degrees.
What are Supplementary Angles?
When a transversal intersects two parallel line two sets of ________ _________ _________ are created on the exterior of the parallel lines.
What is Alternate External Angles?
If the measure of <4 is 55 degrees, then the measure of <5 is _____ and the measure of <6 is _______.
What are <5=55 and <6=125?
If two interior angles are worth x and 80 and the opposite exterior angle equals 2x-5, What is the value of x?
What is 85 degrees?
What is one exterior angle of a regular octagon measured at?
What is 45 degrees
Two angles are _______ when the sum of their measures is 90 degrees.
What are Complimentary Angles?