2. 职称英语
  3. [img]2015m7x/ct_egreqj_egreqjs_0085_20151[/img]In the figure above, if[img]2015

[img]2015m7x/ct_egreqj_egreqjs_0085_20151[/img]In the figure above, if[img]2015

游客2024-01-12  2
问题
In the figure above, if, what is the value of r ?
r =______
选项
答案 112.5
解析 From the figure, note that r° + s° must equal 180°. Therefore. Since you are also given in the question that, you can conclude that. Thus r == 112.5, and the correct answer is 112.5.
This explanation uses the following strategy.
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation
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