Answer:we know that all 3 sides are equal
so if side =a
then perimeter =3a
therefore
3a=6n-15
a=6n-15/3
a=2n-5
Answer:
4
Step-by-step explanation:
Answer:
ASA
Step-by-step explanation:
I think is Asa because it means when any two angles and their included sides are equal in both triangles.