What is rotation in geometry?
rotations

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•
Mathematics
•
9th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Rotation is a transformation that turns a figure around a fixed point, known as the center of rotation, by a certain angle in a specified direction.
2.
FLASHCARD QUESTION
Front
What is the center of rotation?
Back
The center of rotation is the fixed point around which a figure is rotated.
3.
FLASHCARD QUESTION
Front
What does a 90° counterclockwise rotation look like?
Back
A 90° counterclockwise rotation turns a figure to the left, moving each point to a position that is 90 degrees away from its original position.
4.
FLASHCARD QUESTION
Front
What is the rule for rotating a point (x,y) 90° counterclockwise?
Back
The rule is (x,y) → (-y,x).
5.
FLASHCARD QUESTION
Front
What is the rule for rotating a point (x,y) 180°?
Back
The rule is (x,y) → (-x,-y).
6.
FLASHCARD QUESTION
Front
What is the rule for rotating a point (x,y) 270° counterclockwise?
Back
The rule is (x,y) → (y,-x).
7.
FLASHCARD QUESTION
Front
How do you determine the angle of rotation?
Back
The angle of rotation is determined by how far the figure is turned around the center of rotation, measured in degrees.
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