Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. Squares ABCD and EFGH share a common center on a coordinate plane, as shown in the figure. is parallel to diagonal .

The number of lines of reflection about which the combined figure can reflect onto itself is .

18

step-by-step explanation:

draw the shape and you will see that f and k are actually at adjacent vertices (points of the hexagon that are neighboring).   so find the distance between (1,2) and (4,2).   that is easy since (1,2) and (4,2) is just a vertical distance to count, which is 3.   it is a regular polygon which means all sides are congruent.   you have 6 sides (hexa) so multiply 6 by 3 to receive 18.

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step-by-step explanation:

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hope it