Contact us
Choose a category below so we can get back to you as quickly as possible.
故得圓心,A(3,0),半徑r=8設動圓的圓心是M(x,y),半徑是R.根據內切圓的性質:連心線的長等於兩圓的半徑的差.就是:|MA|=|R-r|,又因為R=|MB|所以|MA|-|MB|=+'-8又因為定圓外的點B(-3,0),所以動圓的圓心在定圓的圓外.因…
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.