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Williamsburg High School for Architecture and Design

Redefining Career & Technical Education in New York City Since 2009

You are here: Home / Teacher Posts / Unit 6: Topic 4 (Rotations)

Unit 6: Topic 4 (Rotations)

February 5, 2015 By Ms. Bruno

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The last type of transformation we are working with in this class is rotation.

 

In this class we only deal with rotations around the origin (0, 0). We also assume that rotations are clockwise unless it says otherwise.

asdak

 

When rotating counterclockwise we subtract the angle from 360 and use the corresponding clockwise formula.

For example: If you want to rotate (3, 2) counterclockwise 90 degrees…

1. 360 – 90 = 270 so we will perform a clockwise 270 degree rotation

2. Use the rotation chart (3, 2) becomes (2, -3)

 

Classwork and Homework:

[gview file=”https://www.whsad.org/wp-content/uploads/2015/02/Lesson-7-Homework.docx”] [gview file=”https://www.whsad.org/wp-content/uploads/2015/02/Lesson-7-Activity-Sheet.docx”]

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About Ms. Bruno

Ms. Bruno has been an Assistant Principal at Williamsburg High School for Architecture and Design since 2009. She oversees the departments of Science, Mathematics, Architecture and Design (Career and Technical Education (CTE)), Physical Education and Health. She can be reached at 718-388-1260 ext. 2080, or bruno@whsad.org.

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