Подобие на правоъгълни триъгълници - PowerPoint PPT Presentation

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Подобие на правоъгълни триъгълници

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Title: Подобие на правоъгълни триъгълници


1
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2
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  • ??????????? ?????????? ? ??? ??????????, ?? ?????
    ???? ?? ?????? ? ???? (90).
  • ???-??????? ?????? ? ??????????? ? ????,
    ????? ???? ????? ?????? ???? ? ?? ??????
    ??????????. ??????? ??? ?????? ?? ??????? ??????.
  • ?? - ??????????
  • ?? - ?????
  • ?? - ?????

3
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  • ????????????? ??????????? ?? ??????? ??? ????
    ????????? ?????????????? ?? ???? ????? ?
    ?????????? . ???? ??????? ?? ?????????
    ??????????? ?? ???????? ?? ????????? ??
    ??????????? ??????????? ??? ??? ???????????
    ??????????? ???? ????????? ????? ?? ????? ?
    ??????????, ?? ????????????? ?? ???????.

4
??????? 1
  • ??? ????? ? ?????????? ?? ??????????? ??????????
    ?? ????????? ?????????????? ?? ????? ? ??????????
    ?? ???? ??????????? ?????????? ?? ?????????????
    ?? ???????

5
?????????????
  • ???? ? ABC ? A1B1C1 ??????
    ??? ????????? B ? B1 ?? ????? ?

  • ???????? ????? ?????? ?
    ????????? AB2 A1B1 ? AC2 A1C1 . ??? ????
    , ??
  • ?? ?????????? ????????? ?????? ?? , ABC
    A1B2C2??? ???? AB2C2 A1B1C1
    , ?? ABC A1B1C1

6
????????
  • ?????? ????? ????????
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