True or False. Vertical angles are congruent.
True. Vertical (Opposite) angles are congruent.
If ∠2 and ∠3 are complementary and ∠2 is 89 degrees, what is ∠3?
1 degree
What vocabulary word describes two angles that are side-by-side?
Adjacent
These are two angles that the sum of their measures are 90 degrees.
What are complimentary angles?
These are lines in a plane that never intersect.
What are parallel lines?
Name a pair of corresponding angles?
∠1 corresponds with ∠5
∠2 corresponds with ∠6
∠3 corresponds with ∠7
∠4 corresponds with ∠8
If ∠1 is 135 degrees. What is ∠2?
45 degrees
Name any angle for this protractor
∠_Q_ (Any letter Q any letter)
These are opposite angles formed by intersecting lines.
What are vertical angles?
These are outside angles that lie on opposite sides of the transversal.
What are alternate exterior angles?
Name a pair of alternate exterior angles.
∠1 & ∠8
∠2 & ∠7
If ∠1 is 150 degrees, what is ∠8?
150 degrees
Name a pair of adjacent angles
Any angles that are side-by-side (share a common ray and vertex)
These are angles that the sum of their measures are 180 degrees.
What are supplementary angles?
These are angles that are in the same position on the two lines in relation to the transversal.
What are corresponding angles?
Name a pair of vertical angles.
∠1 is vertical with ∠4
∠2 is vertical with ∠3
∠5 is vertical with ∠8
∠6 is vertical with ∠7
If ∠2 and ∠3 are supplementary and ∠2 is 89 degrees, what is ∠3?
91 degrees
Name two angles that are complementary.
∠BQC & ∠CQD
∠CQE & ∠EQF
∠CQD & ∠DQF
∠AQC & ∠FQG
These are lines that intersect at right angles.
What are perpendicular lines?
These are interior angles that lie on opposite sides of the transversal.
What are alternate interior angles?
Name a pair of alternate interior angles.
∠3 & ∠6
∠4 & ∠5
If ∠4 is 113 degrees, what is ∠6?
67 degrees
Name two angles that are supplementary.
∠AQ_ & ∠_QG
These are angles that lie outside two parallel lines being transversed.
What are exterior angles?
This is a line that intersects two or more lines.
What is a transversal?