1.6: Measuring Angles

Question 1

Two rays with the same endpoint

Answer 1

Angle

Question 2

0 < x < 90

Answer 2

Acute Angle

Question 3

x = 90

Answer 3

Right Angle

Question 4

90 < x < 180

Answer 4

Obtuse Angle

Question 5

x = 180

Answer 5

Straight Angle

Question 6

Angles with the same measure

Answer 6

Congruent Angles

Question 7

Two angles whose sides are opposite rays

Answer 7

Vertical Angles

Question 8

Two coplanar angles with a common side, a common vertex, and no common interior points

Answer 8

Adjacent Angles

Question 9

Two angles whose measures have sum 90

Each angle is called the complement of the other

Answer 9

Complementary Angles

Question 10

Two angles whose measures have sum 180

Each angle is called the Supplement of the other

Answer 10

Supplementary Angles