Answer
$ambiguous\ case$.
Work Step by Step
In the case of SSA, it is possible that there are two solution sets which means that the triangle is not defined. For this, we call it the $ambiguous\ case$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.