# lattice point

A lattice point is an ordered pair (x, y) where both x and y are integers. A triangle is formed by the three points (1, 1), (9, 1) and (9, n). For what integer value of n 0 are there exactly 560 lattice points strictly in the interior of the triangle?

1. 👍 1
2. 👎 0
3. 👁 354

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