Contact us
Choose a category below so we can get back to you as quickly as possible.
對的 由面積公式可以得到的
面積也縮小2倍
海倫公式 Q=(A+B+C)/2 S=√Q*(Q-A)*(Q-B)*(Q-C) 得S=√29337.1875
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.