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In a 3x3 grid, you can form rectangles by choosing two horizontal and two vertical lines. A 3x3 grid has 4 horizontal lines and 4 vertical lines. The number of ways to choose 2 lines from 4 is given by the combination formula ( C(4, 2) ), which equals 6. Therefore, the total number of rectangles is ( 6 \times 6 = 36 ).
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How many rectangles in a 4x4 grid including squares?
96 rectangles.
How many squares and rectangles are there in a 4 by 4 grid?
In a 4 by 4 grid, there are 16 squares (1x1 squares), 9 rectangles that are 2x1, 6 rectangles that are 3x1, 4 rectangles that are 2x2, and 1 rectangle that is 4x4. Therefore, in total, there are 16 squares and 20 rectangles in a 4 by 4 grid.
How many rectangles does a 62 x 38 grid have on it?
62 x 38 = 2356 rectangles
How many rectangles are in a 4-by-4 grid?
8
How many rectangles are in a 3x5 grid made out of squares?
60
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