The correct option is
A Its perimeter and two base anglesConstruction of the triangle when it's perimeter and two base angles are given is as follows ![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/10446/content_8.png)
Construction of a Triangle with Given Base, Base Angle and Difference between Two Sides(AC >AB)
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/10456/content_15.png)
Construction of a Triangle with Given Base, Base Angle and Sum of Other Two Sides
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/485077/original_262233_28129.png)
A triangle cannot be constructed when i
ts base, a base angle and perimeter are given.
Therefore the given construction is the c
onstruction of the triangle when it's perimeter and two base angles are given