Lesson 1.4 Flashcards
0
Q
What is a vertex?
A
The endpoint of an angle.
1
Q
What is an angle?
A
An angle consists of two rays with the same endpoint. The rays of the angle are it’s sides.
2
Q
How are angles classified?
A
Acute: angles that are less than 90°
Obtuse: angles that are more than 90°
Right: angles that are exactly 90°
Straight: angles that are 180°, basically a line.
3
Q
What are congruent angles?
A
Angles that have the same measures.
4
Q
What is an angle bisector?
A
A ray that divides an angle in to two angles that are congruent.
