Definitions
A __________ goes on forever in two directions
Line
what degree must a pair of complementary angles equal
90 degrees
What do supplementary angles add up to
180 degrees
Measures exactly 90 degrees
right angle
lines or line segments that never intersect
parallel
Find the complementary angle for 80 degrees
10 degrees
Find the supplementary angle for 160 degrees
20 degrees
measures more than 90 degrees
obtuse
Has two end points
b) Line segment
Find the complementary angle for 35 degrees
55
Find the supplementary angle for 97 degrees
83
measures less than 90 degrees
acute
intersect to create a 90 degree angle
perpendicular
Find the complementary angle for 27 degrees
63 degrees
Find the supplementary angle for 42 degrees
138 degrees
Measures exactly 180 degrees when added together
supplementary angles
double jeopardy!
How is a mathematical ray like the rays of the sun
They both continue forever in one direction
Are 73 and 52 complementary angles? Why or why not
No because they do not equal exactly 90
Are 57 and 123 supplementary? Why or why not
yes because they equal 180
measures exactly 90 degrees when added together
complementary angles