Answer:
108 metres
Step-by-step explanation:
3cm=4m 1cm= 4/3m 81cm=4/3m×81=108m
The image of the regular hexagon coincides with the pre-image 6 times during rotation.
A regular hexagon is a polygon that has six equal sides and six equal angles.
In a single rotation which is usually the rotation of an object at 360°, the number of times in which the regular hexagon coincides with its pre-image is 6 times, this is because it has 6 equal sides and 6 equal angles.
Learn more about regular polygon here:
brainly.com/question/1592456
It would be 8 inches, because for this you just have to find the greatest common factor between all three numbers which is 8