Measuring Angles / Exploring angle pairs

Question 1

A ___ is formed by two rays with the same endpoint

Answer 1

Angle

Question 2

You name an angle by it’s:

Answer 2

• vertex ( and A)
• a point on each ray and the vertex ( angle BAC)
• A number ( angle 1 )

Question 3

Angles are classified by their ___

Answer 3

Measures

Question 4

0< x < 90

Answer 4

Acute angle

Question 5

X= 90

Answer 5

Right angle

Question 6

X<90<180

Answer 6

Obtuse

Question 7

X=180

Answer 7

Straight angle

Question 8

___ are used to show that two angles are congruent

Answer 8

Arc marks

Question 9

Complementary angles

Answer 9

2 angles whose measures have a sum of 90 degrees; each angle is called the complement of the other

Question 10

Supplementary angle

Answer 10

Two angles whose measures have a sum of 180 degrees; each angle is called the supplement of the other

Question 11

Adjacent angles

Answer 11

Two coplanar angles with a common side , a common vertex, and no common interior points ( angles that are next to each other )

Question 12

Vertical angles

Answer 12

Two angles whose sides are opposite rays. They are always congruent angles .

Question 13

Linear pair

Answer 13

A pair of adjacent angles whose noncommom sides are opposite rays ( form a line )

Question 14

Linear pair postulate

Answer 14

If two angles flat. Linear pair ,them they are supplementary