Предмет: Геометрия, автор: Ays0709

В равнобедренном треугольнике ABC, с основанием AC проведена биссектриса AD.Найдите угол ADC,если угол B=88гр

Ответы

Автор ответа: Gabbas44

0

180-88=92
92/2=46 угол С=углу А
биссектриса делит угол пополам
46/2=23
23+46=69
180-69=111
ответ угол ADC=111гр

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