Classifying Angles
What is another name for a 90 degree angle?
Right Angle
What is the complementary angle of 25 degrees?
65 degrees 90 - 25 = 65
Two angles that add to 90 degrees.
Complementary
Angle a and angle b are vertical angles. Angle a measures 30 degrees. What is the measure of angle b?
30 degrees
Angles that have the same measure?
Congruent Angles
An angle that measures between 90 and 180 degrees.
Obtuse
What is the complementary angle of 49 degrees?
41 degrees 90 - 49 = 41
Two angles that share a common side.
Adjacent Angles
Two intersecting lines that form right angles.
Perpendicular lines
Another name for an angle that measures 36 degrees.
Acute Angle
What is the supplementary angle of 103 degrees?
77 degrees 180 - 103 = 77
Two angles that add up to 180 degrees.
Supplementary Angles
Angle A measures 2x+1 and angle B measures 3x. If the angles are congruent, find the value of x.
x=1
Name an angle that measures 180 degrees.
Straight Angle
What is the supplementary angle of 13 degrees?
167 degrees 180 - 13 = 167
Two angles that share a side and form a straight line.
Linear pair
Angle A measures 5x + 6 and is the complement of angle B which measures 9x. Find the value of x.
x = 6
Angles formed by intersecting lines that are opposite and congruent are called?
Vertical Angles
What is the complementary angle of 37 degrees
53 degrees
What is the complement of a 40 degree angle?
50 degrees
Two angles are supplementary. The measure of one angle is 114 degrees. What is the measure of the other?
66 degrees.