Предмет: Геометрия, автор: 6446474564785

К окружности с центром в точке О проведены касательные AB и секущая АО.Найдите радиус окружности,если AB=12см,АО=13см

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Ответы

Автор ответа: themacemax

Не уверен в точности данного решения!
если соединить О и В получаем прямоугольный треугольник АОВ где гипотенуза
АО=13 см,а катет АВ равен 12 см
По теореме пифагора:корень из 13*13-12*12=5 см
Ответ:5 см

Hrisula: Верно. Треугольник с отношением сторон из троек Пифагора 5:12:13.

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