若一多边形的内角和是其外角和的3倍,则这个多边形是______边形,该多边形的外 发布时间:2017-05-12 16:56 │ 来源:www.tikuol.com 题型:填空题 问题: 若一多边形的内角和是其外角和的3倍,则这个多边形是______边形,该多边形的外角和为______度.
题型:填空题 She devoted herself_____ to her research and it earned her a good reputation in her field. [ ]A. strongly B. extremely C. entirely D. freely 查看答案