Who am I?
What's my complement?
What's my supplement?
Angle Relationships
Angle Definitions
100
a right angle
What is an angle whose degree measure is exactly 90?
100
40 degrees
What is 50 degrees?
100
100 degrees
What is 80 degrees?
100
The equation 30 + x = 90 shows this relationship.
What is complementary?
100
angles that add up to 90 degrees
What are complementary angles?
200
an acute angle
What is an angle whose degrees measure is less than 90?
200
60 degrees
What is 30 degrees?
200
60 degrees
What is 120?
200
40 + 140 = 180 degrees shows this angle relationship.
What is supplementary?
200
angles that add up to 180 degrees
What are supplementary angles?
300
an obtuse angle
What is an angle whose degree measure is greater than 90 and less than 180?
300
37 degrees
What is 53 degrees?
300
47 degrees
What is 133 degrees?
300

angles more than 180 degrees

Obtuse

400
a straight angle
What is an angle whose degrees measure is exactly 180 and forms a straight line?
400

56

34

400
90 degrees
What is 90?
400

Angles less than 90 degrees

acute


500

a reflex angle

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

500

67.8

22.2

500

14.5

165.5


500

Angles exactly equal to 90 degrees

straight angles


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