# Angle Circle Perpendicular Lines Parallel Lines A shape

- Slides: 24

Angle Circle Perpendicular Lines Parallel Lines A shape, formed by two lines or rays diverging from a common point (the vertex) A line forming a closed loop, every point on which is a fixed distance from a center point A line is perpendicular to another if it meets or crosses it at right angles (90°). Lines are parallel if they lie in the same plane, and are the same distance apart over their entire length A straight line which links two points without extending beyond them Line Segment

Angle Circle Perpendicular Lines Parallel Lines Line Segment K

Why Transformations? Transformation s Translations & Reflections Symmetry Rotations Navigation Languages Astronomy Photography Logos Blu-Ray Players

Today you will be learning: 1. ) Precise definitions of angle circle line segment Parallel lines Perpendicular lines

Today you will be learning: 2. ) Develop definitions of rotations reflections translations

Let’s think about it: • What are the different ways objects move? • Can you identify the three basic rigid transformations? And a nonrigid transformation?

MOTION GEOMETRY OR “DRAG N’ FLIP” HTTPS: //YOUTU. BE/NY 2 CDTPSVBA HTTPS: //WWW. SCHOOLTUBE. COM/VIDEO/D 8 E 5 AF 33 F 98641 D 606 MDOTION 1/ %20 GEO METRY: %20 ROTATIONS, %20 REFLECTIONS%20 AND%20 TRANSLATIONS

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TRANSTAR: investigating reflections & rotations

How did you complete this level?

How did you get the “Star Seed? ”

Rotate or Reflect?

Was this one tricky?

Combination moves:

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Rotations

Reflections

Translations

M. C. Escher • Look at some pieces of art by M. C. Escher • Copy and paste some of your favorite pictures into a Power Point and describe the transformations you see: like translations, reflections, rotations, or dilations. Try to be as specific as possible in your descriptions. • Google M. C. Escher or check out http: //library. thinkquest. org/16661/index. html for ideas

Let’s think about it: • What are the different ways objects move? • Can you identify the three basic rigid transformations? And a nonrigid transformation?

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