Предмет: Математика, автор: iperfectuml

Найдите CD, если в треугольнике ABC, угол С=90 градусов, CD перепендикулярна AB, AD=12см, DB=3см

Ответы

Автор ответа: Аноним

9

Высота, проведенная из вершины прямого угла есть среднее пропорциональное между отрезками, на которые она делит гипотенузу, значит СД²=АД*ДВ

откуда СД=√(12*3)=6/см/

iperfectuml: Спасибо большое

KOPAATICH3321: незачто бро или девушка

iperfectuml: Takushnir, https://znanija.com/task/32366857, помоги плз.

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