ParsedownCustom
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@@ -1,7 +1,7 @@
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The points `P(x1, y1)` and `Q(x2, y2)` are plotted at integer co-ordinates and are joined to the origin,
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`O(0,0)`, to form `OPQ`.
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There are exactly fourteen triangles containing a right angle that can be formed when each co-ordinate
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lies between 0 and 2 inclusive; that is,
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@@ -10,6 +10,6 @@ lies between 0 and 2 inclusive; that is,
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0 <= x1, y1, x2, y2 <= 2.
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~~~
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Given that `0 <= x1, y1, x2, y2 <= 50`, how many right triangles can be formed?
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