Who am I? What's my complement? What's my supplement? Angle Relationships Angle Definitions

100

What is an angle whose degree measure is exactly 90?
a right angle

100

What is 50 degrees?
40 degrees

100

What is 80 degrees?
100 degrees

100

What is complementary?
The equation 30 + x = 90 shows this relationship.

100

What are complementary angles?
angles that add up to 90 degrees

200

What is an angle whose degrees measure is less than 90?
an acute angle

200

What is 30 degrees?
60 degrees

200

What is 120?
60 degrees

200

What is supplementary?
40 + 140 = 180 degrees shows this angle relationship.

200

What are supplementary angles?
angles that add up to 180 degrees

300

What is an angle whose degree measure is greater than 90 and less than 180?
an obtuse angle

300

What is 53 degrees?
37 degrees

300

What is 133 degrees?
47 degrees

300

What is vertical angles?
2x + 6 = 3x shows two angles that are congruent because they are across from each other and this relationship

300

What are vertical angles?
angles are congruent because they are opposite from each other are also called this

400

What is an angle whose degrees measure is exactly 180 and forms a straight line?
a straight angle

400

What is 90 - x?
x

400

What is 90?
90 degrees

400

What are corresponding angles?
This relationship describes two congruent angles that are on the same side of the transversal and match up exactly by sliding one over the other without turning.

400

What is adjacent?
angles that are next to each other are called this

500

What is an angle whose degree measure is greater than 180 and less than 360?
a reflex angle

500

What is 90 - 5x?
5x

500

What is 180 - 7x?
7x

500

What are alternate interior or exterior angles?
This relationship describes two congruent angles that are on the different sides of the transversal and match up exactly by turning one around over the other.

500

What is the line that cuts across parallel lines?
transversal

Angle Relationships

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