Show:
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
a triangle
What is a shape with three sides?
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
A triangle with two sides of the same length.

What is an isosceles triangle?

300
37 degrees
What is 53 degrees?
300
47 degrees
What is 133 degrees?
300
2x + 6 = 3x shows two angles that are congruent because they are across from each other and this relationship
What is vertical angles?
300
angles are congruent because they are opposite from each other are also called this
What are vertical angles?
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

Congruent angles must:

have the same measure

400
angles that are next to each other are called this
What is adjacent?
500

Adjacent angles

What is two angles who share a common ray?

500
5x
What is 90 - 5x?
500
7x
What is 180 - 7x?
500

What do the angles in a triangle add up to

What are they add up to 180?

500
draw an example of supplementary, complementary, and vertical angles.
What is......?