nastia18 nastia18
  • 24-11-2022
  • Mathematics
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Пряма CD паралельна до AB і перетинає кут BOA так, що O, B, D лежать на одній прямій, а O, A, C лежать на іншій прямій. Якщо OA = 2 см, OB = 5 см і OD = 15см, знайдіть довжину ОC.

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