Angle Measures of Rotated Figures

Angle Measures of Rotated Figures

Explore how figures are affected by rotations and verify that their angle measures remain unchanged.


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Question ouverte 1

How are the image and the pre-image different?

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Question ouverte 2

What stays the same after a rotation?

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Question ouverte 3

How can you use the triangles in the grid to show that an image has the same angle measurements as a pre-image?

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Question ouverte 4

Can you use the triangles in the grid in the same way to show that the angle measurements of the image and pre-image of a right triangle are the same? Why or why not?

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