Предмет: Физика, автор: ruru632

На рисунку 1.3 OA = OD. Доповніть умову задачі однією вимогою так, щоб можна було стверджувати, що трикутни- ки АОС і ВОD рівні: 1) за першою ознакою рівності трикутників; 2) за другою ознакою рівності трикутників.

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Ответы

Автор ответа: Daza1Osamu

Відповідь:

1) якщо сторона СО=ВО і кут СОА=куту ОВD

2) якщо сторона СА=ВD, кут ОСА= куту ВОD і кут СAО = куту ВDO

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