Angles
supplementary
If one angle measures 110 degrees and another angle measures 70 degrees, what is their relationship?
160 degrees
If one angle measures 20 degrees, what is the measure of the other supplementary angle?
complementary
If one angle measures 40 degrees and another angle measures 50 degrees, what is their relationship?
45 degrees
If one angle measures 45 degrees, what is the measure of the other complementary angle?
30 degrees
If one angle measures 60 degrees, what is the measure of the other complementary angle?
95 degrees
If one angle measures 85 degrees, what is the measure of the other supplementary angle?
supplementary
If one angle measures 98 degrees and another angle measures 82 degrees, what is their relationship?
straight angle
ONE angle that measures 180 degrees
right angle
ONE angle that measures 90 degrees
parallel lines
lines that never intersect
congruent
the same measure; EQUAL
intersecting lines
two lines that cross over one another
perpendicular lines
two lines that intersect to form right angles
degrees
a unit for measuring angles
supplementary
TWO angles that add up to 180 degrees
complementary
TWO angles that add up to 90 degrees
adjacent angles
TWO angles that share a ray
vertical angles
TWO opposite angles that are equal or congruent
acute angle
an angle that measures less than 90 degrees
obtuse angle
an angle that measures more than 90 degrees
