1 / 6

3-7 Perpendicular Lines

3-7 Perpendicular Lines. Lines that intersect at an angle of 90 degrees are perpendicular lines. For example, let’s say that we have the. line AB. line CD. and the. A. Now, if the lines intersect at an angle of 90 o ,. C. D. then AB  CD. B. Definition of Perpendicular Lines.

mirit
Télécharger la présentation

3-7 Perpendicular Lines

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 3-7 Perpendicular Lines

  2. Lines that intersect at an angle of 90 degrees are perpendicular lines. For example, let’s say that we have the • line AB line CD • and the A Now, if the lines intersect at an angle of 90o, C D then AB  CD. B

  3. Definition of Perpendicular Lines Perpendicular lines are lines that intersect to form a right angle. m Symbols: m  n n

  4. 1 2 4 3 m n

  5. Theorem 3-8 then they form 4 right angles. If two lines are perpendicular, a Symbols: a b 1 2 b 4 3

  6. In the figure, and Determine whether each of the following is true or false. 7 OP MN, OP MN NP QS. QR PR P M False. Since 3 8 1 5 4 3 1 2 2 6 4 R Q True. are vertical angles, and vertical angles are congruent. N O S True. If two lines are perpendicular, then they form 4 right angles. False.

More Related