test cases for equivalent traingle?

Answer 1

Very simple...

1) All sides should be equal.
2) Angles of every equilateral triangle should be equal to 60°
3) Every altitude should also be a median and bisector.
4) Every median should also be an altitude and bisector.
5) Every bisector should also be an altitude and median.
6) If the length of a side is a. Area of the equilateral triangle should be 1/4a2√3
7) The altitudes, medians and the bisectors of a equilateral triangle should be equal to 1/2a√3

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Answer 2

equal sides,equal angles,equal areas