Definitions
Equations
Complementary/
Supplementary
Angle Measurement
Angles
100
An angle whose measure is 180 degrees.
What is straight
100

If we know angle a is 35 degrees and is vertical to angle b, what is the measure of angle b?

What is 35 degrees?

100
Two angles whose measures add up to 90 degrees.
What is complementary?
100
A tool used to measure angles.
What is a protractor?
100
Two angles are supplementary. One angle is 45 degrees. The other angle is
What is 135 degrees?
200
An angle whose measure is less than 90 degrees
What is acute
200

If 94 + x = 117, and x is the missing angle measure, what is the angle measure?

What is 23 degrees?

200
Angles whose measures add up to 180 degrees.
What is supplementary?
200
An angle whose measure is 90 degrees.
What is a right angle?
200

Two or more angles that add up to be 180 degrees. 

What is supplementary angles?

300

A pair of opposite angles formed by intersecting lines; the angles are congruent. 

What is vertical angles?

300

A figure created with an endpoint or a vertex extending indefinitely in one direction.

What is a ray?

300

Angles that have a common vertex and whose sides are formed by the same lines. These angles are opposite from each other.

What are vertical angles.

300
A 145 degree angle.
What is an obtuse angle?
300

If two angles are 15 degrees and 75 degrees, what do we call these angles?

What are complementary angles?

400

Two angles that share a common vertex and side. 

What is adjacent angles?

400

If 2x + x = 141 degrees represents two angles that add together to equal 141 degrees, what is the measure of each angle?

What is 47 degrees and 94 degrees?

400
One angle is 50 degrees, __________is complementary.
What is 40 degrees?
400
An angle whose measure is less than 90 degrees.
What is an acute angle?
400

If two angles are right next to each other and are 50 degrees and 130 degrees, what are they?

What are supplementary angles?

500
The point common to both sides of an angle.
What is vertex?
500

If three angles all create a straight angle, and we know one angle is 22 degrees, another is 90 degrees, what is the unknown angle?

What is 68 degrees?

500
An angle is 135 degrees, ___________is supplementary.
What is 45 degrees?
500
Angles formed by perpendicular lines.
What are 90 degree angles? Right angles?
500

If an angle measures rotation, and the angles stops where it starts after rotating, how far has it rotated?

What are 360 degrees?

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