Contact us
Choose a category below so we can get back to you as quickly as possible.
18.84÷10=1.884㎝,底面周長是1.884㎝ 1.884÷3.14÷2=0.3㎝,底面半徑 3.14×0.3×0.3=0.2826㎝²;,底面積是0.2826㎝²; 0.2826×10=2.826㎝³;,體積是2.826㎝³;
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.