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Dint understand the calculation

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by [email protected] » Sun Aug 04, 2013 2:12 am
A right triangle ABC has to be constructed in the xy-plane so that the right angle is at A and AB is parallel to x axis. The coordinates of A, B and C are to satisfy the inequalities -6 ≤ x ≤ 2 and 1 ≤ y ≤ 11, where x and y are integers. How many different triangles can be constructed with these properties?
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by GMATGuruNY » Sun Aug 04, 2013 2:38 am
I posted for solutions for three very similar problems here:

https://www.beatthegmat.com/how-many-tri ... 13159.html
https://www.beatthegmat.com/both-permuta ... 66566.html
https://www.beatthegmat.com/coordinate-t105992.html
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