Nothing. It is always possible to make a duplicate triangle.
Every triangle is unique, so this question cannot have a serious answer.
A triangle is unique when the given conditions (such as side lengths or angle measures) lead to only one possible triangle configuration. For example, using the Side-Side-Side (SSS) or Side-Angle-Side (SAS) postulates guarantees a unique triangle. In contrast, conditions like Angle-Angle-Side (AAS) or Angle-Side-Angle (ASA) also yield a unique triangle, while three angles alone may not, as they can correspond to multiple triangle sizes.
78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.
Three non-collinear points do not determine a unique spherical triangle.
It is a rigid 2-dimensional shape.
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.
Every triangle is unique, so this question cannot have a serious answer.
2 of the sides are the same length
It is a rigid 2-dimensional shape.
Three non-collinear points do not determine a unique spherical triangle.
All sides aren't equal and all angles are less than 90 degrees
78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.
A trapezoid and a triangle can make a triangle or another trapezoid, among others.
From the given dimensions no kind of triangle is possible.
They make four triangles, not a triangle.
432180. The legs are 441 and 1960.
diamond triangle