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Wiki User
None they're all squares.
There are 2025 rectangles in a 9x9 grid.
That depends on how big the rectangles are.
441
315
14
9
4 rectangles
96 rectangles.
225
9 total. 4 1x1 2 1x2 2 2x1 1 2x2
62 x 38 = 2356 rectangles
36