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Let's Explore More!

PARALLEL LINES

The following applet demonstrates a property that parallel lines have when they're drawn in the coordinate plane. Be sure to move the blue points around quite a bit!

QUESTION 1

Line a and Line b are parallel lines. Move the blue points around. What do you notice?

Define parallel lines in your own words.

PERPENDICULAR LINES

This applet demonstrates a property that perpendicular lines have when they're drawn in the coordinate plane. Be sure to move the points around quite a bit and observe carefully as you do!

Line a and Line b are examples of perpendicular lines. What do you notice happens to both lines when you move the dots around?

What is a perpendicular line in your own words?