Question

AC и BD - диаметры окружности с цетром O. Угол ACB = 79 градусов. Найдите угол AOD. Ответ дайте в градусах.

Answer 1

Вот решение с чертежом

Answer 2

Problem Analysis

We are given that AC and BD are diameters of a circle with center O. The angle ACB is 79 degrees. We need to find the angle AOD.

Solution

Since AC and BD are diameters of the circle, they intersect at the center O. Therefore, angle AOD is a right angle, measuring 90 degrees.

Answer: 90 degrees