Which expression is equivalent to
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Q-81
81
O 12

Anew fountain in the shape of a hexagon will have 6 sides of equal length. on a scale drawing, the coordinates of the vertices of the fountain are: (7.5,5), (11.5,2), (7.5,−1), (2.5,−1), (−1.5,2), and (2.5,5). how long is each side of the fountain?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Is the figure congruent? yes or no?