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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.
 
The sides of the isosceles triangle:
 
\(AB =\) i.
 
\(BC =\) i.
 
\(AC =\) i.