Respuesta :

erenlangmalakas

Answer:

  • a.

Step-by-step explanation:

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debmc7

Answer:

A. (7, -6)

Step-by-step explanation:

While I am sure there is some kind of formula to use, I don't know it. I drew A and C on graph paper, then plotted the points here to see what would connect to form an isosceles triangle.