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15-10-2018
Mathematics

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Through which angle of rotation does the image of a regular pentagon coincide with its preimage? A. 90° B. 72° C. 60° D. 45° E. 30°

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makma2creisdorph87 makma2creisdorph87

16-10-2018

The central angle of a regular pentagon is : 360° : 5 = 72°

Through this angle of rotation the image of a regular pentagon coincide with its preimage.

Answer: B ) 72°

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