Respuesta :
Using calculus you find an expression for the lengths of AC + BC in terms of c using the distance formula. Then you find the derivative and equate this to zero and solve for c.
Answer is c = 6.
Using calculus you find an expression for the lengths of AC + BC in terms of c using the distance formula. Then you find the derivative and equate this to zero and solve for c.
Answer is c = 6.