Rotation+and+Art+Deco



An Art Deco Manhole Cover


 * __Main Ideas__: **

1. What is a Rotation? media type="youtube" key="Tr7QazlNEcI" height="408" width="546"

__Vocabulary:__

 * ===rotation===
 * ===centre of rotation===
 * ===object===
 * ===image===
 * ===angle of rotation===
 * ===invariant===
 * ===clockwise===
 * ===anti-clockwise===
 * ===half turn===

Use the online maths dictionary and write definitions of the words above when doing a reflection. Link to Online Maths Dictionary []
 * __Exercise__: **


 * __Note__: It is important when describing a reflection to refer to the location of the mirror line (which must also be shown). **

2. Doing rotation by hand media type="youtube" key="psGIUpnyuTs" height="315" width="560"

3. Doing a Rotation using Geogebra media type="youtube" key="bsAAGNP_QYA" height="315" width="560"

= 4. My Geogebra for Rotation =

media type="custom" key="23843040"

= 5. __Exercise__: =


 * 1) == Click on the links below to see photos of art deco objects. ==
 * 2) == Find the centre of rotation in the following. ==
 * 3) == Describe the rotation using the correct language. ==

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