126 rectangles. 1 Strip of 6 equals 21 rectangles, multiply by 1 strip of 3 which makes 6, is 126 rectangles, all in one big rectangle.
4 rectangles
225
90
9
There are 2025 rectangles in a 9x9 grid.
126 rectangles. 1 Strip of 6 equals 21 rectangles, multiply by 1 strip of 3 which makes 6, is 126 rectangles, all in one big rectangle.
That depends on how big the rectangles are.
4 rectangles
96 rectangles.
441
225
315
There are 15 rectangles.
62 x 38 = 2356 rectangles
90
14