Verify whether the points \(A(15,12)\), \(B(6,0)\) and \(C(-6,9)\) make an isosceles triangle by satisfying AB=BC.  And, calculate the sides of the triangle using the distance formula.
 
Answer:
 
\(AB =\) i.
 
\(BC =\) i.
 
Since , the points \(ABC\) an isosceles triangle.