Angle Pairs
Complementary angles equal
What is 90 degrees?
The Angle Addition Postulate
What is part + part = whole?
Angles located in the "same place"
What are corresponding angles?
What is a regular polygon?
If one side of a parallelogram is 10 units long, the opposite side's length is...
Angles that add up to 180 degrees are called
What is supplementary?
The measure of a straight angle
180 degrees?
True about the measure of alternate interior angles
What is congruent?
The length of each side of a regular octagon if the Perimeter = 40 in.
What is 5 inches?
This is true about the measures of consecutive angles of a parallelogram
What is they are supplementary?
Angles directly across from each other are called
What is vertical?
Give an example of an obtuse angle
What is an angle with a measure greater than 90 but less than 180 degrees?
The type of angle pair created by parallel lines and a transversal that are NOT congruent
What are consecutive interior angles?
The exterior angle sum of any polygon
What is 360 degrees?
Method to find the midsegment of a trapezoid
What is find the average length of the bases?
Angles that share a common vertex and side are called
What is adjacent?
What does it mean if two angles are congruent?
What is they have the same measure?
If an exterior angle measures 58 degrees, what does the alternate exterior angle measure?
What is 58 degrees?
The interior angle sum of a hexagon
What is 720 degrees?
This makes a rectangle a rectangle
What is having 4 congruent 90 degree right angles?
Angle A is a COMPLEMENT of Angle Z. If Angle A measures 27 degrees, what is the measure of Angle Z?
What is 63 degrees?
The reason why you might have to use three letters to name an angle instead of just one
What is that there is more than one angle at that particular vertex?
What would have to be true about two corresponding angles in order to make the lines parallel?
What is that they are congruent?
The measure of one interior angle of a regular 17-gon.
Hint: Interior Angle Sum = (n-2)x180
What is 158.8 degrees?
The diagonals are perpendicular and they bisect each other.
This property is ALWAYS true for which quadrilateral?
What is a rhombus?