Line and Angle Recognition

If ∠5 ≌∠7, which of the following can be concluded?

• r is parallel to s by converse of Alternate Interior Angles Thm.

• u is parallel to v by Converse of Corresponding Angles Thm

• s is ⊥ u by Converse of Alternate Interior Angles Thm

• v ⊥ r by Converse of Alternate Exterior Angles Thm

What is the reason for Statement 4?

• Substitution

• Converse of Alternate Exterior Angles Theorem

• Converse of Corresponding Angles Postulate

• Converse of Same-side Interior Angles Theorem

Given the following two parallel lines cut by a transversal. Which pair of angles represents alternate exterior angles?

Alternate exterior angles are outside of the parallel lines and on opposite sides of the ...

• angle

• measurement

• transversal

• vertex

What is the vertical angle to angle 4?

• Angle 2

• Angle 6

• Angle 8

• Angle 7

This is what kind of angle?

• obtuse

• right

• straight

• acute

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

• True

• False

Given the following two parallel lines that have been cut by a transversal. \angle1 and which angle make up Alternate Interior angles?

Which angles are vertical angles?