Vocabulary
Complementary and Supplementary
Triangles
Find the missing Angle
Solving Angle Pairs
100
What is another name for a 90 degree another?
Right angle
100
What is the supplementary angle of 103 degrees?
77 degrees; 180 - 103 = 77
100
What do the interior angles of a triangle have to add up to?
180 degrees
100
73o
100
What is the measure of angle FOE?
60 degrees
200
What is another name for a 180 degree angle?
Straight Angle
200
What is the complementary angle of 25 degrees?
65 degrees; 90 - 25 = 65
200
Based on the side lengths, what type of triangle is this?
Scalene Triangle
200
130 degrees
200
What is the measure of angle COD?
40o
300
What do we call a pair of angles that add up to 90 degrees?
Complementary Angles
300
What is the complementary angle of 37 degrees
53 degrees; 90 - 37 = 53
300
What type of triangle has one large angle & two congruent angles? (Two words)
Obtuse Isosceles Triangle
300
Angles a and b are Supplementary (Linear) angles. Angle a measures 171 degrees. What is the measure of angle b?
9 degrees
300
What is the measure of angle AOB?
80o
400
What do we call a pair of angles that add up to 180 degrees?
Supplementary Angles
400
What is the supplementary angle of 90 degrees?
90 degrees; 180 - 90 = 90
400
What is the Triangle Inequality Theorem? *Hint* it has to do with the side lengths
The sum of 2 sides must be greater than the 3rd side. Add the 2 shortest sides and it must be greater than the longest side
400
What is the measure of angle 3 if angle 6 is 85 degrees?
95o
400
What is the value of x?
36 degrees
500
What do we call angles that share a side (or ray) and vertex?
Adjacent Angles
500
What is the complementary angle of 49 degrees?
41 degrees 90 - 49 = 41
500
What is the missing angle (value of x)?
65 degrees
500
27o
500
Solve for the value of x.
x = 31 degrees
600
What do we call angles that are formed by intersecting lines and are directly across from one another?
Vertical Angles
600
What is the supplementary angle of 13 degrees?
167 degrees 180 - 13 = 167
600
Find the value of x.
x = 12
600
Angles a and c are vertical angles. Angle a measures 27 degrees. What is the supplementary angle measure of Angle c?
153 degrees
600
Find the value of x & y. *You have to get both correct in order to get the full points
x = 50
y = 40