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GMAT 考满分题库

- 数学PS -
In isosceles triangle PQR, if the measure of angle P is 80º, which of the following could be the measure of angle R?

I. 20º

II. 50º

III. 80º

  • AI only
  • BIII only
  • CI and II only
  • DII and III only
  • EI, II, and III
显示答案
正确答案: E

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