1.2 define + measure angles

Question 1

what is a part of a line that starts at an endpoint and extends forever

Answer 1

ray

Question 2

a ____ is formed by 2 line segments or rays that share the same endpoint

Answer 2

angle

Question 3

a____ of an angle is the common endpoint of the 2 rays that form the angle

Answer 3

vertex

Question 4

are two angles in the same plane with a common vertex and a common side but no common interior points

Answer 4

adjacent angles

Question 5

the _____ of an angle bisects the angle

Answer 5

angle bisector

Question 6

two angles are _____ if the sum of their angle measures is equal to 180 degrees

Answer 6

supplementary

Question 7

two angles are ______ complementary if the sum of their angle measures is equal to 90 degrees

Answer 7

somplementary

Question 8

an angle that measures in between 0 and 90 degrees

Answer 8

acute

Question 9

an angle between 90 and 180 degrees

Answer 9

obtuse

Question 10

a angle that is exactly 90 degrees

Answer 10

right

Question 11

a ____ line is 180 degrees

Answer 11

straight

Question 12

the measure of the reflex angle of a given acute, right, or obtuse angle will be greater than 19- degrees and less than 360 degrees

Answer 12

reflex