Anonymous
Anonymous asked in 科學及數學數學 · 1 decade ago

三角形的外角【20點】

三角形的外角

求下列各圖中的未知量。

http://www.flickr.com/photos/45632549@N03/53355893...

2 Answers

Rating
  • 1 decade ago
    Favorite Answer

    e+90=134(ext angle of triangle)

    e=44

    __________________

    (180-125)+77=f(ext angle of triangle)

    f=132

    ____________________

    g=73+57(ext. angle of triangle)

    g=130

    2011-01-08 18:38:44 補充:

    ext. angle of triangle(三角形外角和)

  • 1 decade ago

    90+e=134

    e=44

    77+125=f

    f=202

    73+57=g

    g=130

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