Chapter 9, Lesson 11


9-11.A recognize parallel and perpendicular lines
a. Sadie drew lines m and n each perpendicular to line p. What is the relationship between lines m and n?
b. Aaron drew lines a and b each parallel to line c. What is the relationship between lines a and b?
c. Dina drew line h perpendicular to line j and line k parallel to line j. What is the relationship between lines h and k?

9-11.B identify angle pairs of parallel lines
In the diagram, transversal t intersects parallel lines p and q.

 

Which statements are true?
I
angle 7 is congruent to angle 4.
II angle 4 and angle 6 are supplementary.
III angle 5 is congruent to angle 1.
(a) I and II only (b) I and III only (c) II and III only (d) I, II, and III