Предмет: Геометрия, автор: biloyssawa090478

BD-?
помогите пожалуйста

Приложения:

Ответы

Автор ответа: Аноним

0

Ответ:

ВD=6,5 см

Объяснение:

ВС=АD, (АВCD- прямоугольник)

∆АBD- прямоугольный треугольник

По теореме Пифагора

ВD=√(AB²+AD²)=√(6²+2,5²)=√(36+6,25)=

=√42,25=6,5 см

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