初中数学七年级上册（581题）

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如图，已知\(\angle AOB = {90^ \circ }\),\(\angle AOC:\angle COD:\angle BOD = 1:3:5\)，求\(\angle AOC\)，\(\angle COD\)，\(\angle BOD\)的度数．

   

知识点：第四章　几何图形初步

参考答案：\(\angle AOC = {10^ \circ }\)
\(\angle COD = {30^ \circ }\)
\(\angle BOD = {50^ \circ }\)