G.CO.2&5: Rotations March 4th, 2015.

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Presentation transcript:

G.CO.2&5: Rotations March 4th, 2015

clockwise Counter-clockwise Rotations Vocabulary rotate To _______ a figure, you must have a ________________ and _______________. A figure can be rotated _________ or ________________. For today’s lesson, we are focusing on rotations of 90, 180, and 270 degrees about the origin. Center of Rotation Angle of Rotation clockwise Counter-clockwise

Rotate the given point 90, 180, and 270 degrees counter-clockwise about the origin. Ex 1)

Rotate the given point 90, 180, and 270 degrees counter-clockwise about the origin. Ex 2). Original Point: (5, 7)

Let’s fill out this table using what we found from the examples. Original Point 90 180 270 Example 1 Example 2 (x, y)

Ex 3). Graph quadrilateral ABCD by plotting the points A (-12, 9), B (-12, 4), C (-4, 4), and D (-4, 10). Rotate the figure 90, 180, and 270 degrees about the origin.

Ex 4). △JKL has vertices J(2, 6), K(5, 2), and L(7, 5) Ex 4). △JKL has vertices J(2, 6), K(5, 2), and L(7, 5). Rotate the figure 90, 180, and 270 degrees about the origin.