PPT-9-5 Symmetry You drew reflections and rotations of figures.

Identify line and rotational symmetries in twodimensional figures Identify line and rotational symmetries in threedimensional figures Definitions A figure has symmetry is there exists a rigid motion reflection translation rotation or glide reflection that maps the figures unto itself. Baldwin armers in ancient cultures as diverse as those of China Greece and Rome shared a common understanding about crop rotations They learned from experience that growing the same crop year after year on the same piece of land resulted in low yiel Suggested reading:. Landau & . Lifshits. , . Quantum Mechanics. , Ch. 12. Tinkham. , . Group Theory and Quantum Mechanics. Dresselhaus. , . Dresselhaus. , . Jorio. , . Group Theory: . Applications to the Physics of Condensed Matter. in . Platonic. . Solids. Polyhedra. A polyhedron is a solid figure bounded by flat faces and straight edges, i.e., by polygons.. Face. . A face of a polyhedron is any of the plane surfaces forming a polyhedron. The faces of a polyhedron are polygons.. Practice. Through Rich Tasks. Congruence and . Similarity. Presented by:. Jenny Ray, Mathematics Specialist. Kentucky Dept. of Education/NKCES. www.JennyRay.net. 1. The Common Core State Standards. . Translations. -Transformation. : a change in the position, shape, or size of a geometric figure. -. Preimage. :. the original figure. -. I. mage. :. the . resulting figure. -. Isometry. :. when the . in . Platonic. . Solids. Polyhedra. A polyhedron is a solid figure bounded by flat faces and straight edges, i.e., by polygons.. Face. . A face of a polyhedron is any of the plane surfaces forming a polyhedron. The faces of a polyhedron are polygons.. Reflections on the Coordinate Plane. The undisturbed surface of a pond acts like a mirror and can provide the subject for beautiful photographs. Reflections on the Coordinate Plane. We call the waterline a “line of symmetry” because if the photo were folded at the waterline, the two halves would form a mirror image of each other. U. se the points G(2, -4) and H(-6, -6) to answer the following:. 1.. Find the slope of . 2. . Find the midpoint of . 3. . Find GH.  . Warm Up. Objectives. Identify and draw rotations. .. Identify and describe symmetry in geometric figures. A transformation by which a figure is turned around a fixed point to create an image.. The fixed point that a figure is rotated around.. Lines can be drawn from the . preimage. to the center of rotation and from the center of rotation to the image. . November 7 and 9, 2016 . Mont 106Q – November 7 and 9. Symmetric Strip Patterns. A First Example . Mosaic. . Border. , . . Alcazar. de los Reyes Cristianos . Cordoba. , . Spain. (. all. . image. 1. Chapter 5. Fundamental Concepts in Video. 5.1 . Analog Video. 5.2 Digital Video. 5.3 Video Display Interfaces. 5.4 3D Video and TV. 5.1 . Analog Video. An . analog signal . f. (. t. ) samples a time-varying image. . on and off the coordinate plane.. Relevance:. Rotations describe movement.. Rotations. Turn to page 383-384 in your core book and highlight:. A rotation. . turns . all . points . about a point . called the . . transformations (reflections). . .. Why: . To perform reflections of figures on the coordinate plane.. What is a Reflection??. A reflection is a ____________ . . We will reflect on the coordinate plane over both the . 27-750, Advanced Characterization & Microstructural Analysis. A.D. Rollett, P.N. Kalu. Last revised: 9. th. June, 2009. 2. Objectives. Introduce grain boundaries as a microstructural feature of particular interest..