题干
你的每日生活是怎么样的？你在哪些时间做哪些事呢？请写一写吧。
（要求：至少50字）
答案(点此获取答案解析）
My Day
I get up at six in the morning.Then I have my breakfast. I go to school at eight.I have lunch at school. At half past two,I have classes. I go home at five.In the evening,I do my homework.I go to bed at ten.This is my day.
I get up at six in the morning.Then I have my breakfast. I go to school at eight.I have lunch at school. At half past two,I have classes. I go home at five.In the evening,I do my homework.I go to bed at ten.This is my day.
的三边长分别为
，
,内切圆半径为
,则
,类比这个结论可知：四面体
的四个面的面积分别为
,内切球半径为
,则
( )