Vocabulary
What is another name for a 90 degree angle?
Right Angle
What is the complementary angle of 25 degrees?
65 degrees 90 - 25 = 65
What is the complementary angle of 14 degrees?
76 degrees 90 - 14 = 76
Angle a and angle b are vertical angles. Angle a measures 30 degrees. What is the measure of angle b?
30 degrees
Two lines that never intersect are called?
Parallel
Two angles whose measures have a sum of 90 degrees.
Complementary
What is the complementary angle of 49 degrees?
41 degrees 90 - 49 = 41
Angle a and b are both complementary and congruent. What are their measures?
They are both 45 degrees
Angle c and angle d are vertical angles. Angle c measures 72 degrees. What is the measure of angle d?
72 degrees
Can angles be both adjacent and complementary?
YES!
What is the definition of supplementary?
Two angles whose measure have a sum of 180 degrees
What is the supplementary angle of 103 degrees?
77 degrees 180 - 103 = 77
What is the supplementary angle of 144 degrees?
36 degrees 180 - 144 = 36
Angle x and angle y are vertical angles. Angle y measures 149 degrees. What is the measure of angle x?
149 degrees
Can angles be both vertical and adjacent?
NO WAY!
What are angles called that share a common vertex and one side?
Adjacent angles
What is the supplementary angle of 13 degrees?
167 degrees 180 - 13 = 167
Angle a and b are both congruent and supplementary. What are their measures?
They are both 90 degrees
Angles a and c are vertical angles. Angle a measures 42 degrees. What is the supplement of Angle c?
138 degrees
What angle can you NOT assume from a diagram: an acute angle, a right angle or an obtuse angle?
A right angle!
Angles which are opposite and congruent are called?
Vertical Angles
What is the complementary angle of 37 degrees
53 degrees
Angle x and angle y are corresponding angles. Angle x measures 93 degrees. What is the measurement of angle y?
93 degrees
Angles a and b are vertical angles. Angle a measures 171 degrees. What is the supplement of angle b?
9 degrees
When is your test?
TUESDAY!