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OpenStudy (anonymous):
A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during the rotation? A.1 B.2 C.4 D.8
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OpenStudy (neer2890):
8 times if it is regular
OpenStudy (neer2890):
because A regular octagon is a closed figure with sides of the same length and internal angles of the same size. so if it is rotated 360 degrees it should coincide with its preimage after every 45 degrees. so 360/45= 8 times
OpenStudy (neer2890):
|dw:1402655160504:dw|
OpenStudy (anonymous):
hah
OpenStudy (anonymous):
|dw:1402655878480:dw|
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