Contact us
Choose a category below so we can get back to you as quickly as possible.
(10-0.58)÷3=9.42÷3=3.14(米)3.14÷3.14÷2=0.5(米),3.14×0.52=0.785(平方米);答:樹幹橫截面的面積是0.785平方米.
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.