Предмет: Геометрия, автор: sanda97

Четырехугольник АВСД вписан в окружность с центром в точке О. Найдите угол ВОС,если угол ВАС+угол ВДС = 136 градусов.

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Автор ответа: owlefo

3

смотри решение во вложении

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1)I saw Paul at the airport. He ____ for his brother’s plane to arrive from Canada.

Had been waiting

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2)Robert didn’t answer the phone when Mary called. He ____ a shower and didn’t hear the phone ring.

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7)How long ____ a course of lectures on Medieval History?

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Is Professor Donaldson delivering

Has Professor Donaldson delivering

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8)She is not sure if she ____ his telephone number in the telephone directory.

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At

By

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Of

About

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