7.7.8. Rotation

If is the image of under a rotation about , find the measure of the rotation angle.

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is the image of by a rotation about with an angle measuring .

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What figure represents the rotation of the regular hexagon below about its centre by an angle measuring ?

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What are the coordinates of the image of the point under a rotation about the origin by an angle of ?

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If the point is the centre of rotation, where is the image of , is the image of , and cm, find the measure of the angle of rotation and the length of .

• A, cm
• B, cm
• C, cm
• D, cm
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Find the image of the point under the translation followed by the rotation about the origin with an angle of .

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In the figure below, cm. If is the image of by a rotation around with an angle of , find the area of approximating the result to the nearest hundredth.

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If the figure is the image of the figure by the rotation , find the length of .

• Acm
• Bcm
• Ccm
• Dcm
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Referring to the figure below which shows a regular polygon , find the image of the point when it rotates about the point by an angle measuring .

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The figure below shows a regular polygon . Find the image of when it rotates about the point by an angle measuring .

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In the figure below, is a regular polygon. Find the image of by rotation around with an angle of .

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