Предмет: Геометрия, автор: eduardkorchagin0

AN = 3 см, NB = 4 см, DN = 5 см. Найти CN

Приложения:

Ответы

Автор ответа: Daniel777coll

По свойству пересекающихся хорд:

AN*NB = CN*ND

CN = AN*NB/ND

CN = 3*4/5 = 12/5 = 2,4

Ответ: 2,4.

eduardkorchagin0: Спасибо огромное, ты меня спас!

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