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Mathematics 11 Online
OpenStudy (devonhoward15):

What is the smallest angle of rotational symmetry that maps a regular octagon onto itself?

OpenStudy (devonhoward15):

@Will.H

OpenStudy (devonhoward15):

@welshfella

OpenStudy (devonhoward15):

@triciaal

OpenStudy (triciaal):

how did someone give a medal with no response?

OpenStudy (devonhoward15):

idk... somebody just came in gave it to me and left

OpenStudy (triciaal):

what is the size of the angle for a regular octagon?

OpenStudy (devonhoward15):

360 degrees

OpenStudy (will.h):

I.guess we should divide 360/8 which is number of angles. So 45 Am not sure

OpenStudy (triciaal):

a circle is 360 the octagon has 8 equal sides what is the angle at the center

OpenStudy (devonhoward15):

and then divide that by 8 and get 45

OpenStudy (will.h):

Oh not correct lol 360 is for a circle lol

OpenStudy (will.h):

lolI mixed up

OpenStudy (devonhoward15):

i should probably have her check my other one than

OpenStudy (bonnieisflash1.0):

Rotational Symmetry A figure has rotational symmetry if it can be mapped onto itself by a rotation by any angle greater than 0º and less than 360º. Since there are 360º in a circle, a 360º rotation would map any figure onto itself. Both the degrees and the direction, either clockwise or counter-clockwise, of the rotation should be stated.

OpenStudy (triciaal):

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