Vocabulary
Vertical Angles
Classifying Angles
Complementary Angles
Supplementary Angles
100

A figure formed by two rays with a common endpoint. 

What is an angle?

100

Vertical angles are always ___________.

What is equal in measure, or congruent?

100
An angle with a measure between 0 and 90 degrees.

What is an acute angle?

100
Complementary angles add up to be ______.
What is 90º?
100
Supplementary angles add up to be _________.
What is 180º?
200

Two angles whose sum is 90 degrees.

What are complementary angles?

200
If angle X and angle Y are vertical angles, and the measure of angle X is 60º, what is the measure of angle Y?
What is 60º?
200

An angle with a measure of 90 degrees.

What is a right angle?

200
Two complementary angles will form a _______ angle.
What is a right angle?
200

Supplementary angles also form a __________.

What is a straight line or a straight angle?

300

Two angles whose sum is 180 degrees.

What is are supplementary angles?

300
If angle G and angle H are vertical angles, and the measure of angle G is 120º, what is the measure of angle H?
What is 120º?
300

An angle with a measure between 90 and 180 degrees.

What is an obtuse angle?

300
If angle T and angle V are complementary angles, and the measure of angle T is 40º, what is the measure of angle V?
What is 50º?
300

If angle T and angle V are supplementary angles, and the measure of angle T is 45º, what is the measure of angle V?

What is 135º?

400

Angles that are formed by two intersecting lines and are across from each other. They are equal in measure!

What is are vertical angles?

400
True or False: Vertical angles are formed by the intersection of two lines (the angles on opposite sides of the intersection).
What is true?
400

An angle with a measure of 180 degrees.

What is a straight angle?

400
If angle A and angle B are complementary angles, and the measure of angle A is 35º, what is the measure of angle B?
What is 55º?
400

If angle K and angle L are supplementary angles, and the measure of angle L is 105º, what is the measure of angle K?

What is 75º?

500

Two angles that share a vertex and a side, but have no interior points in common. 

What is are adjacent angles?

500

Angles A and B are vertical angles. Angle A measures 171 degrees. What is the supplement of Angle B?

What is 9º?

500

Provide 4 angle measures of each of the following: a straight angle, a right angle, an obtuse angle and an acute angle. *Must have all 4*

Acute Angle (Anything from 0-90)

Obtuse Angle (Anything from 90-180)

Right Angle (90 degrees)

Straight Angle (180 degrees)

500
If angle C and angle D are complementary angles, and the measure of angle C = (x+5)º measure of angle D= (2x+4)º Find the measure of angle C.
What is 32º ? x+5+2x+4=90 3x=81 x=27 C= 27+5 --> 32
500
If angle B and angle C are supplementary angles, and the measure of angle B = (3x+1)º measure of angle C= (x+19)º Find the measure of angle C.
What is 59º? 3x+1+x+19=180 4x=160 x=40 C=40+19 --> 59
M
e
n
u