åæ±ï¼S=2âr^2+2ârh=2âr(r+h) (r为åæ±çåºé¢åå¾ï¼h为åæ±çé«ï¼
æ±ä½ï¼V=sh (s为æ±ä½çåºé¢ç§¯,h为æ±ä½çé«)
åé¥:S=âr^2+ârl=âr(r+l) (r为åé¥çåºé¢åå¾,l为åé¥çæ¯çº¿ï¼
é¥ä½ï¼V=sh/3 (s为é¥ä½çåºé¢ç§¯,h为é¥ä½çé«)
åå°:S=âr^2+âR^2+â(r+R)l/2 (r为åå°çä¸åºé¢åå¾ï¼R为åå°çä¸åºé¢åå¾ï¼l为åå°çæ¯çº¿ï¼
å°ä½ï¼V=[s+â(sS)+S]h/3 (s为å°ä½çä¸åºé¢é¢ç§¯,S为å°ä½çä¸åºé¢é¢ç§¯ï¼h为å°ä½çé«)
çï¼S=4âr^2 (r为ççåå¾ï¼
çä½ï¼V=(4âr^3)/3
温馨提示:答案为网友推荐,仅供参考