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Corner to corner
Member rating: No Rating | Words: | Submitted: Tue Mar 29 2005
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The investigation was corner to corner, which means that within a four sided shape on a table of numbers you had to multiply the top left corner with the bottom right corner and then the bottom left corner with the top right corner, you then had to find the difference between the two multiplication's. C x B and then subtract A x D A B C D E.g. 2 3 12 13 (On 10 x 10 square) 2x13=26 3x12=36 36-26=10 If I move the 2x2 grid over 4 different numbers will the difference be the same? 81 82 91 92 81x92=7452 82x91=7462 7462-7452=10 What happens if I keep the table 10x10 but change the grid size to 3x3? 71 72 73 81 82 83 91 92 93 71x93=6603 73x91=6643 6643-6603=40 Here is a table for the difference for a ten by ten grid: Length of Square Difference 2 10 3 40 4 90 5 160 6 250 7 360 8 490 9 640 10 810 The difference is calculated by the (length of the square - 1)² x10, that is how I was able to calculate the other differences of the different length of square. (L-1)² x 10= difference [algebraic form] L = length of the square The...
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