2. 职称英语
  3. [img]2014m5x/ct_egreqm_egreqjs_0127_20135[/img]In the figure above, XY= YZ. If

[img]2014m5x/ct_egreqm_egreqjs_0127_20135[/img]In the figure above, XY= YZ. If

游客2025-02-24  50
问题
In the figure above, XY= YZ. If angle 7=40°, then angle X=?
______°
选项
答案 70
解析 The correct answer is 70. To solve this problem, recognize that the angles opposite the congruent sides will also be congruent. The total of these angles must be 180-40 = 140, so both angle X and angle Z will equal 70°.
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