Предмет: Геометрия, автор: salnikoova1208

точка В належить відрізку АС. відомо що відрізок АВ на 3 см довший від відрізка ВС.знайти довжини відрізків АВ і ВС, якщо АС=31 см. дуже срочно

Ответы

Автор ответа: scientists0cat

1

Ответ:

Нехай ВС - х (см), тоді АВ - (х+3) см

ВС+АВ = АС

х + 3 + х = 31

2х = 28

х = 14

Отже, ВС = 14 см, АВ - 14+3 = 17 (см)

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