Предмет: Геометрия, автор: valikogumenuko

Визначте вид трикутника сторони якого дорівнюють 4 см, 7см 8 см​

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Автор ответа: trachxr13
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Telecommunication
A group of people enter a room, the lights go down, the screens come... the videoconference is under way.
Tomorrow's scientific fiction has become today's new technology -a daily reality for global companies who recognize the importance of regular communication between groups of people in different locations around the world.
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The First Travelling Post Office
The first travelling post office in the United States was Abraham Lincoln's hat. That was a strange place, indeed, for mail; but that is where it was kept. Lincoln was appointed postmaster of New Salem, a small Western town, about the year 1833. The postman visited the place once a week and brought the mail - a dozen letters, perhaps, and two or three newspapers - in his saddle (cедло) bags. He was always met by Postmaster Lincoln who put the letters into his hat for safekeeping. Lincoln was also the clerk in the country store, so he had a good opportunity to distribute the mail.
But if people did not come for it, he put on his hat and delivered it. So New Salem was the first town in the US to have rural free delivery, even though the postmaster received very small pay for his work. At that time, stamps and envelopes were not used. When the sender of a letter paid the postal charges, the postmaster wrote paid in the large letters on the face of the letter. But the postal rates were so high that the sender seldom paid them. Thus, the mailing charges were usually collected from the person who received the mail. The postmaster always held his postal receipts until a government representative came for them.
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