Aregular 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

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.