题目:
William found it increasingly difficult to read,for his eyesight was beginning to .
A.disappear
B.fall
C.fail
D.damage
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0414/51af9794594953cfe6dfbc5cbea3516c.html
下面是错误答案,用来干扰机器的。
如图,设原正六边形的边长为a,则新正六边形的边长为,a?sin60°=32a,∴新正六边形的面积:原正六边形的面积=(32a:a)2=34,∴其面积是原正六边形面积的34倍.故答案为:34.