×

student18128

Trigonometric ratios

解答ab的列式

附加文件

解答 0

  • Danny1210
    2020-06-07 17:56:31
    8a) CD=AB angle CDE = 90 tan45=25/CD CD=25
  • Danny1210
    2020-06-07 18:04:05
    b) in triangle CED , CE = 25^2 + 25^2 =CE^2 (Pythagoras’ Theorem) CE=35.35533906 in triangle FCE , 39^2 + 25^2 = CF^2(Pythagoras’ Theorem) CF= 46.32493929 Therefore , the length that the ladder extends = 46.32493929-35.35533906 = 10.96960023 m
  • Danny1210
    2020-06-07 18:05:43
    system can't save the format 你自己跟返的空白位隔行
請填寫內容
解答內容包含禁止的詞
請輸入你的答案
上載文件更改 ×
檔案過大
不支援此檔案
jpg, gif, png, doc, docx, pdf, xls, mov, mp4, m4a, mp3 (檔案上限為50M)