請問這個四邊形的這兩個角是幾度呢?:－2016韓劇 38師機動隊】電視劇 38師機動隊劇情＆人物介紹～徐仁國‬、崔秀榮、馬東錫-小宅戲劇週記38師機動隊線上看

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May 3rd 2013, 00:39

知識問題|

請問各位大大，小弟有一題數學題想請問大家，是這樣的，有一個四邊形ABCD，AB線段等於BC線段等於CD線段,角ABC等於150度，角BCD等於90度,求角A和角D，並請各位附上算法,非常感謝!

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