Contact us
Choose a category below so we can get back to you as quickly as possible.
通過周長知道半徑想讓正方形最大莫過於讓正方形對角線等於圓的直徑. C=2piR所以:R=C/(2pi)=25.12/6.28=4;S正=1/2*(d對角線)^2
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.