請依下圖作答,如有需要,請列出所有證明
圖:
http://i167.photobucket.com/albums/u159/karycheung-1994/PIE3.jpg
圓錐及扇形英文數學題5(20分)
2009-03-10 3:13 am
回答 (1)
2009-03-10 3:19 am
✔ 最佳答案
2*pie*25*100.8/360=14pei2*pei*r=14pei
r=7
25^2=h^2+t^2
h=24
v=1/3*pei*7^2*24=392pei
1) r=7
2) h=24
2) capacity=392pei
收錄日期: 2021-04-23 20:18:18
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090309000051KK01405