Предмет: Геометрия, автор: IcycXpictos

Решите по фото плиз.

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Ответы

Автор ответа: geolizi009

1

Ответ:

Розглянемо трикутники CBA і DCB

За умовою :

1.AB=CD

2.AC=BD

BO=CO

Отже , трикутники рівні за 3 ознакою рівності трикутників

З рівності трикутникуів виходить рівність відповідних елеметнів

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