1.4 Measuring Angles Flashcards
1
Q
Angle
A
Formed by two rays with the same endpoint
Name it by vertex, a point on each ray with the vertex in the middle, or a number IF it is there
2
Q
Sides of an angle
A
Rays are the sides of an angle
3
Q
Vertex
A
The endpoint of an angle
4
Q
Measure
A
The absolute value of the difference of the real numbers paired with the rays with a protractor
COD=|CO-OD|
5
Q
Acute angle
A
And angle whose measure is between zero and 90
6
Q
Right angle
A
An angle who’s measure is 90
7
Q
Obtuse angle
A
An angle who’s measure is between 90 and 180
8
Q
Straight angle
A
An angle whose measure is 180
9
Q
Congruent angles
A
Angles with the same measure
