Предмет: Геометрия, автор: krolik9830

трапеция abcd с основаниями ad и bc описана около окружности ad 24 bc 41 cd 31 найдите ab

Ответы

Автор ответа: natalyabryukhova

Ответ:

AB=34 (ед)

Объяснение:

Если в четырёхугольник можно вписать окружность, то сумма противолежащих сторон равны.

⇒ BC+AD=AB+CD

41+24=AB+31

AB=65-31=34

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