问题描述:
it is known that the sum of the interior angles of a regular polygon is at least 90度 greater than that of its exterior angles.Find the least possible number of sides of the polygon
书上answer是5.
还有...要列出不等式啦...
书上answer是5.
还有...要列出不等式啦...
问题解答:
我来补答展开全文阅读