Contact us
Choose a category below so we can get back to you as quickly as possible.
設公差為b,則 (x-b)*x=12*2 x*x+(x-b)*(x-b)=(x+b)*(x+b) 解得b=√2,x=4√2 周長12√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.