Angles & Triangle Test Review

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

Vertical angles are always..

Name the vertical angle to
∠h.

What angle is vertical to angle 2?

Find the missing angle.  Find x.

What is the value of x?

Adjacent angles share a side and a ____

Name an angle adjacent to angle 3?

Name an angle in the figure that is adjacent to angle 2.

What is the definition of a complementary angle?

• Two angles that have the same measure

• A straight line that equals 180 degrees

• Two angles that measure 90 degrees

• Two angles that measure 180 degrees