Does the number 8 have rotational symmetry ? What is its order of rotational symmetry?
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Answers
Answer:
0, 1, and 8 have rotational symmetry. 6 becomes 9 and vice versa
A shape has rotational symmetry when it can be rotated and it still looks the same. The order of rotational symmetry of a shape is the number of times it can be rotated around a full circle and still look the same. ... It only has one order of rotational symmetry, the starting position
Each 45 degrees rotation of an octagon will return the original octagon, so an octagon has an order of rotational symmetry of 8. Notice that 8 times 45 degrees = 360 degrees.
Rotational symmetry:-
A figure has rotational symmetry if it coincides with itself in a rotation less than 360 degrees. The order of rotation of a figure is the number of times it coincides with itself in a rotation less than 360 degrees. The angle of rotation for a regular figure is 360 divided by the order of rotation.