Vocabulary
Angles
Angles Part II
Segment & Angle Addition
Miscellaneous
Angle Pairs
100
A single spot in space.
What is a point?
100
How many rays form the sides of an angle?
What is 2?
100
An angle that measures between 90 and 180 degrees.
What is an obtuse angle?
100
For line segment AC where point B is between A and C, if AB = 12 and AC = 40, how long is BC?
What is 28?
100
It takes this many points to name a line.
What is 2?
100
These angles share a vertex and a side.
What are adjacent angles?
200
A basic geometric object that has two endpoints.
What is a line segment?
200
The name of the point where an angle bends; the middle point of the angle.
What is the vertex?
200
An angle that measures between 0 and 90 degrees.
What is an acute angle?
200
For line segment AC where point B is between A and C, if AB = 54 and BC = 65, what is the length of AC?
What is 119?
200
Points that lie on the same line.
What is collinear?
200
<1 and <3 are called _____ and their measures are ___.
vertical angles
Same/congruent
300
A geometric object that goes infinitely in two directions.
What is a line?
300
The name of an angle that is exactly 90°.
What is a right angle?
300
The number of degrees that make up a straight angle.
What is 180?
300
If m∠ADB = 10 and m∠CDB = 50, what is the measure of ∠ADC?
What is 60?
300
Points that lie in the same plane.
What is coplanar?
300
<1 and <2 are called a _____ and their measures are ______.
linear pair
supplementary
400
An object that has one starting point then continues on infinitely in one direction.
What is a ray?
400
Two angles who sum of measures is 90°.
What are complementary angles?
400
Two angles whose sum of measures is 180°.
What are supplementary angles?
400
If m∠ADC = 78 and m∠ADB = 26 , what is the measure of ∠BDC?
What is 52?
400
How many points are needed to name a plane?
What is 3?
400
Find the measure of both angles.
52 and 38
500
A flat surface that extends infinitely in all directions.
What is a plane?
500
An angle measures 30°, what is the measure of the angles complement?
What is 60°?
500
An angle measures 100 degrees, what is the measure of the angles supplement?
What is 80°?
500
If ∠HCB is a right angle and m∠GCB = 43, what is the measure of ∠HCG?
What is 47?
500
The symbol in an angle diagram that shows an angle is right (90°).
What is a box/square?
500
Two angles are supplementary. The measure of one is 6 less than 5 times the measure of the other angle. The measures of both angles are: ______ and _____.
31 and 149