Who am I?
What's my complement?
What's my supplement?
Angle Relationships
Missing Angle Problems
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
angles that add up to 90 degrees
What are complementary angles?
100

The value of x in the diagram about to be shown...

What is 18?

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
angles that add up to 180 degrees
What are supplementary angles?
200

The measure of the angle marked with ? in the diagram about to be shown.

What is 59 degrees?

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 are congruent because they are opposite from each other are also called this
What are vertical angles?
300

The value of x in the diagram about to be shown...

What is 65?

400
a straight angle
What is an angle whose degrees measure is exactly 180 and forms a straight line?
400
x
What is 90 - x?
400
90 degrees
What is 90?
400

angles that share a side are called this

What is adjacent?

400

The measure of angle b in the diagram about to be shown.

What is 47 degrees?

500
a reflex angle
What is an angle whose degree measure is greater than 180 and less than 360?
500

5x + 30

What is 60 - 5x?

500

7x

What is 180 - 7x?

500

2 angles that are adjacent and combine to form a straight angle

What is a linear pair?

500

The value of x in the diagram about to be shown.

What is 149?

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