Angles That Share a Vertex

What is a line segment or ray drawn from a vertex that divides the angle into two congruent angles?

• Median of a Triangle

• Altitude of a Triangle

• Perpendicular Bisector of a side of a Triangle

• Angle Bisector

• Midpoint of a Line Segment

What kind of angles are ∠1 and ∠2 ?

• Exterior angles

• Vertical angles

• A Linear Pair

• Corresponding angles

• Alternate Interior angles

The definition of a linear pair includes

(select all that apply)

• Two angles share a vertex

• Two angles make a straight angle

• The sum of the measures of a linear pair are 180*

• Two angles that are complementary angles

Are the two angles in the image adjacent?

• No

• Yes

Two angles that share a vertex and a ray (common side)

• Alternate Interior

• Corresponding

• Adjacent

• Vertical

Which angles are vertical angles?

Check all TRUE statements.

• These angles are congruent.

• These angles are not congruent.

• These angles are adjacent.

• These angels are non-adjacent.

Which statement is TRUE?

• These angles are congruent.

• These angles are complementary.

• These angles are adjacent.

• These are supplementary.

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles