Who am I?
a right angle
What is an angle whose degree measure is exactly 90?
100 degrees
What is 80 degrees?
The equation 30 + x = 90 shows this relationship.
What is complementary?
angles that add up to 90 degrees
What are complementary angles?
an acute angle
What is an angle whose degrees measure is less than 90?
60 degrees
What is 120?
Two angles who add up to 180 degrees.
What is supplementary?
angles that add up to 180 degrees
What are supplementary angles?
an obtuse angle
What is an angle whose degree measure is greater than 90 and less than 180?
47 degrees
What is 133 degrees?
Adjacent angles that are supplementary.
What is a linear pair?
angles are congruent because they are opposite from each other are also called this
What are vertical angles?
a straight angle
What is an angle whose degrees measure is exactly 180 and forms a straight line?
90 degrees
What is 90?
The sum of these angles is 90 degrees.
What are complementary angles?
angles that are next to each other are called this
What is adjacent?
a vertical angle
Angles that are across from each other when two lines intersect. They are always congruent.
These angles are always congruent.
What are vertical angles?
Adjacent angles that are supplementary.
What is a linear pair?