9-3 Rotations
&&66722/6Copy each polygon and point K.
Then use a protractor and ruler to draw the
specified rotation of each figure about point K.
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PINWHEELS Find the angle of rotation to the
nearest tenth of a degree that maps P onto P'.
Explain your reasoning.
Refer to page 643.
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specified rotation about the origin.
has vertices J(2, 6), K(5, 2), and Lƒ
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has vertices F(2, 4), G(5, 6), and H(7, 2);
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has vertices R(±6, ±1), S (±4, ±5), and T(±2, ±
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PINWHEELS Find the angle of rotation to the
nearest tenth of a degree that maps P onto P'.
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Explain
your
reasoning.
Refer to page 643.
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WEATHER A weathervane is used to indicate the
direction of the wind. If the vane is pointing northeast
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9-3 Rotations
WEATHER A weathervane is used to indicate the
direction of the wind. If the vane is pointing northeast
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southeast
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Each figure shows a preimage and its image
after a rotation about point P. Copy each figure,
locate point P, and find the angle of rotation.
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Copy the figure and the given line of reflection.
Then draw the reflected image in this line using
a ruler.
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