Lines and Angles Flashcards
0
Q
What are vertical angles?
A
Opposite angles created by two intersecting lines.
1
Q
What does the Vertical Angles Theorem state?
A
Vertical angles are always congruent, meaning they have the same degree measures.
2
Q
What is the measure of a straight line in degrees?
A
180
3
Q
What is the measure of a right angle?
A
90 degrees
4
Q
What does it mean when two lines are perpendicular?
A
It means they intersect at right angles that measure 90 degrees
5
Q
Define parallel lines.
A
Two lines that are in the same plane and do not intersect.