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# 3.4 Notes A

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### 3.4 Notes A

1. 1. 3.4 Perpendicular Lines October 16th, 2009 1
2. 2. 3.4 Perpendicular Lines October 16th, 2009 Spartan Sneaky Shuffle Stop With the BIG Homecoming Game this weekend against Maine East, Coach Pieper knew he'd have to create something bedazzling to stop those Blue Demons in their tracks. So he came up with his secret play: the Spartan Sneaky Shuffle Stop, but he needs our help... 2
3. 3. 3.4 Perpendicular Lines October 16th, 2009 Homework Questions: 3
4. 4. 3.4 Perpendicular Lines October 16th, 2009 3.4 Perpendicular Lines 4
5. 5. 3.4 Perpendicular Lines October 16th, 2009 Perpendicular Bisector: • A line _____________ to a segment at the segment's ____________. Example: Non-Example: 5
6. 6. 3.4 Perpendicular Lines October 16th, 2009 Question: What's the shortest distance between 2 points? Q:How about the shortest distance between a point and a line? A: A perpendicular segment connecting the two. Distance from a point to a line: • the length of the ______________ segment from the point to the line. 6
7. 7. 3.4 Perpendicular Lines October 16th, 2009 Ex 1: Distance From a Point to a Line C P B x - 8 12 A A: Name the shortest segment from point A to BC. B:Write and solve an inequality for x. 7
8. 8. 3.4 Perpendicular Lines October 16th, 2009 8
9. 9. 3.4 Perpendicular Lines October 16th, 2009 9
10. 10. 3.4 Perpendicular Lines October 16th, 2009 Homework: • As is on Assignment Sheet Exit Slip: 1.) State two main requirements to be a perpendicular bisector. 2.) If two coplanar lines are perpendicular to the same line, then the two lines are ____________ to each other. 10