Acute, Obtuse, Straight, or Right?
Name That Vertex!
Degrees of an Angle
Angle Pairs
Classifying Triangles
100
Classify the following angle.
Acute
100
Name the vertex on the angle. (Vertex is where they meet)
B
100
What is an angle called that measures 180 degrees?
Straight
100
Vertical angles are always __________
Congruent
100
What is a triangle with one 90 degree angle called?
Right triangle (Show someone your drawing.)
200
Classify the following angle.
Straight
200
Name the vertex on the angle.
U
200
What is an angle called that is less than 90 degrees?
Acute
200
What is the sum of two supplementary angles?
180 degrees
200
What is a triangle with one angle greater than 90 degrees called?
Obtuse triangle (Show someone your drawing.)
300
Classify the following angle.
Right
300
Name the vertex on the angle.
E
300
What is the name of an angle that measures 90 degrees?
Right
300
What are angles that are next to each other called?
Adjacent angles
300
What is a 90 degree angle called? Draw it.
Complimentary angle. (Show someone your drawing.)
400
Classify the following angle.
Obtuse
400
Name the vertex on the angle.
N
400
Acute, obtuse, right or straight? 173o
Obtuse
400
Two angles that make a line are called a ____?
Linear pair
400
This triangle has the following angles, 85 degrees, 65 degrees and 30 degrees. What type of triangle is this?
Acute triangle
500
Classify the following angle.
Acute
500
Name the vertex on the angle.
Q
500
Acute, obtuse, right or straight? 15o
Acute
500
What is the sum of two complementary angles?
90 degrees
500
This triangle has at least three equal (60 degree) angles. What type of triangle is this?
Equilateral triangle