Предмет: Геометрия, автор: Dima43828

В треугольнике ΑΒΣ известно, что угол Σ равна 57 °, угол Β - 88 °. Найдите градусную меру угла Α.

Ответы

Автор ответа: Аноним

Здравствуйте, Dima43828!

Решение данной задачи:

Т.к. сумма углов любого тр-ка равна 180°, то:

∠A=180°-(∠B+∠C)=180°-(88°+57°)=180°-145°=35°.

Окончательный ответ:

В данной геометрической задаче ∠A=35°.

С Уважением, NeNs07.

Приложения:

Dima43828: Спасибо большое Маргарита

Аноним: Пожалуйста, Дмитрий. Обращайтесь.

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