Every triangle is unique, so this question cannot have a serious answer.
Nothing. It is always possible to make a duplicate triangle.
Three non-collinear points do not determine a unique spherical triangle.
From the given dimensions no kind of triangle is possible.
432180. The legs are 441 and 1960.
All triangles are unique compared to other polygons inasmuch that they have only 3 sides and no diagonals.
No, it does not make a unique triangle since the 70 degree angle could be at the end of the 3 ft side or the 4 foot side.
what do you mena by when? this is something that is always going on because the bermuda triangle is always there