Предмет: Геометрия, автор: svetochkascheulina

2 Найдите углы равнобедренного треуголь
ника, если угол при основании больше угла
между боковыми сторонами в 4 раза. СРОЧНОООО

Ответы

Автор ответа: votincevvalera06

Угол между боковыми сторонами возьмем за x, а углы при основании 4х и 4х, а сумма углов равна 180; и составляем уравнение х+4х+4х=180; 9х=180; х=20; 20×4=80; Ответ: два угла при основании по 80, а при вершине 20.

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