Contact us
Choose a category below so we can get back to you as quickly as possible.
兩個底面積是156.52-100=56.52 dm^2 一個底面積是56.52/2=28.26 dm^2 半徑是√(28.26/3.14)=3dm 還有問題的話,歡迎追問
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.