Saul creates a piece of art. He begins with the figure shown, where stack Z Y with left right arrow on top space parallel to space stack A B with left right arrow on top and m angle W Z X equal 82 degree.

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Saul draws a line located below and parallel to stack A B with left right arrow on top that intersects stack Z A with left right arrow on top at C and stack Z B with left right arrow on top at D. The measure of angle B D C equal 56 degree. What is the measure of angle A C D ?