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area = 144 square units perimeter = 48 units
Then its area will only be a quater of once it was.
A square prism is one whose two ends are square and the remaining 4 faces are rectangles.
Thee different rectangles with an area of 12 square units are 3 by 4, 2 by 6 and 1 by 12.
You could consider the cross as two intersecting rectangles. Calculate the area of both rectangles and the area of the intersection (overlap). Then area of cross = sum of the areas of the rectangles minus the area of the overlap.