Respuesta :

Answer:

since triangle AED similar to ACB

CE=19cm mid point bisect it

BD=32Cm mid point bisect it

Step-by-step explanation:

BC=2DE=2×39=78Cm

  • perimeter=sum of all side=ce+de+bd+bc=19+39+32+78=168cm
  • therefore perimeter of DBCE=168Cm