Ответ:
6.5
Объяснение:
BC = 18.3/3 = 6.1
AB + AC = 19.1 - 6.1 = 13
AB=AC
AC=13/2=6.5
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Ответ:
6.5
Объяснение:
BC = 18.3/3 = 6.1
AB + AC = 19.1 - 6.1 = 13
AB=AC
AC=13/2=6.5