Objective:
SOL G.2 a,b: The student will use the relationships between angles formed by two lines cut by a transversal to (a) determine if two lines are parallel; (b) verify the parallelism, using algebraic and coordinate methods as well as deductive proofs.
Applet Directions 1 Close 
 In the figure on the left, Segment 1 is parallel to Segment 2.
 Drag point T and R to the left side of the vertical line, then determine the relationship between them and ∠S.
 Drag point T and R to the right side of the vertical line, then determine the relationship between them and ∠S.

Applet Directions 2 Close 
 What is the geometric reason for these relationships?
 Hint: You made need to draw a line to see the reason. Use the Refresh Button of your Browser to see the original sketch.

HandsOn Activities Close 
