Contact us
Choose a category below so we can get back to you as quickly as possible.
側面積=56/2=28平方分米 底面積:28/2=14平方分米 底面半徑:√(14/3.14)=2.11分米 底面周長:3.14*2*2.11=13.2508分米 高:28/13.2508=2.11分米 體積:14*2.11=29.54立方分米
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.