# Introduction to Unit 3

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```					Name: _________________________________________ Date: ___________________

Unit 3
Transformations

1. Reflections
 Use the internet to find a definition for reflection.

Reflection:
_______________________________________________________________
_______________________________________________________________

   Visit http://www.mathsnet.net/transformations/reflectionc.html and
experiment with the three drawing areas. Print one of your best drawings
and attach to this ditto to be turned in.
   How are the reflections different in each?
____________________________________________________________
____________________________________________________________
   Where were the lines of reflection, if these figures where on a coordinate
plane?
____________________________________________________________
____________________________________________________________
____________________________________________________________

2. Translations

   Use the internet to find a definition for geometric translations.

Translation:
_______________________________________________________________
_______________________________________________________________

   Visit http://www.mathsnet.net/transformations/translationc.html and
experiment with the translation drawing. Print a copy of your drawing and
attach to this ditto to be turned in.

3. Rotations

   Use the internet to find a definition for rotation.

Rotation:
_______________________________________________________________
_______________________________________________________________

   Visit http://www.mathsnet.net/transformations/rotation.html and
experiment with the drawings. Print a copy of your drawings and attach to
this ditto to be turned in.

   How many degrees of rotation are in the first drawing? _____________

   How many degrees of rotation are in the second drawing? _____________
Name: _________________________________________ Date: ___________________

4. Dilations

   Use the internet to find a definition for dilations.

Dilations:
_______________________________________________________________
_______________________________________________________________

   Read the following site:
http://regentsprep.org/Regents/Math/codilate/Ldilate.htm

   Complete the following site:
http://regentsprep.org/Regents/Math/codilate/PracCoD.htm

5. Tessellations

   Use the internet to find a definition for tessellations.

Tessellations:
_______________________________________________________________
_______________________________________________________________

   Find one tessellation on the internet and print it out. Attach it to this paper
to be turned in.

6. EXTRA CREDIT

   Go to the following site and make your own geometry crossword. Use
geometry vocabulary. One point for every word and hint.

http://www.crosswordpuzzlegames.com/create.html

Example:
WORD: equilateral triangle
HINT: a triangle with all equal sides

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