Angles, Triangles and Quadrilaterals

So, if m∠2+m∠4=180° and m∠6=m∠2, we can substitute to get this equation:  m∠6+m∠4=180°.  Conclude

• They are non-adjacent angles

In a triangle what is the line segment drawn from a vertex perpendicular to the opposite side (or an extension of the opposite side?

• Median of a Triangle

• Altitude of a Triangle

• Perpendicular Bisector of a side of a Triangle

• Angle Bisector

• Midpoint of a Line Segment

In a triangle what is the line segment drawn from a vertex to the midpoint of the opposite side?

• Median of a Triangle

• Altitude of a Triangle

• Perpendicular Bisector of a side of a Triangle

• Angle Bisector

• Midpoint of a Line Segment

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

In a triangle what is the line that is drawn perpendicular to a side of a triangle through its midpoint?

• Median of a Triangle

• Altitude of a Triangle

• Perpendicular Bisector of a side of a Triangle

• Angle Bisector

• Midpoint of a Line Segment

When two parallel lines are cut by a transversal, then: (select all that apply)

• Vertical angles are congruent.

• The exterior angle is equal to the sum of the two remote interior angles

• Corresponding angles are congruent

• Alternate interior angles are congruent

• Same-side interior angles are congruent

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

Select the pairs of angles that are Corresponding Angles. (Select all that apply)