Предмет: Геометрия, автор: maltseva89

У трикутника АВС кут С дорівнює 90°, а кут А дорівнює 70°. На катеті ВС відкладено відрізок СD рівний СА. Знайдіть кути трикутника ABD.
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расспишите пожалуйста ❤️❤️❤️ срочно, буду благодарна очень ❤️❤️❤️❤️❤️

Ответы

Автор ответа: muxa1703

Авс 180-70-90=20
Ответ 20

maltseva89: можешь пожалуйста рассписать?

maltseva89: как в тетради писать

muxa1703: Сумма всего треугол АВС =180
авс=угол с -угол а
Авс=180-70-90=20

maltseva89: там же написано, найдите кутЫ

maltseva89: АВД

muxa1703: Угол Авд=10

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