Vocabulary
Complementary Angles
Supplementary Angles
Triangles
Vertical Angles
100
What do all interior angles of triangles add up to?
180o
100
What is the value of x in the figure below?
28o
100
What is the value of y?
103
100
What are three lengths that CANNOT be lengths of a triangle? Why?
A. 6, 8, 8
B. 3, 4, 7
C. 5, 6, 7
D. 6, 7, 10
B. 3, 4, 7. Because 3+4=7 and 7 is not bigger than 7.
100
127
200
What is a complementary angle?
Two angles that add up to 90o
200
Are 126 and 54 complementary angles?
No. They are Supplementary.
200
What is the value of x?
15
200
Can a triangle have the angle measurements of 14, 78, and 89? Why?
No, because the sum of the numbers is 181.
200
What angles are vertical angles?
Two possible answers.
1 and 32 and 4
300
What is a supplementary angle?
Two angles that add up to 180o
300
What is the value of x?
30
300
What is the value of TRS?
45.
300
What is the value of y?
y=38
300
What is the value of x?
37
400
What is a vertical angle? Are they equal?
Two angles directly across from another. Yes.
400
What is the measure of LOM?
66
400
Angles M and B are Supplementary. Angle M is (5x-6) and Angle B is 136. What is the value of x.
10
400
Two angles of a triangle measure 70o and 62o. What is the measure of the third angle?
48o
400
What is the value of x?
14
500
What is an adjacent angle?
Two angles that share a line.
500
Angles M and B are complementary. Angle M is (4x-6) and Angle B is 24. What is the value of x.
x=27
500
What is the value of x?
61
500
A right triangle has an angle measurement at is 24o What is the measure of the other angle?
66o
500
Find the value of y.
9