____ ____ them will come to my birthday party.
“气蒸云梦泽,波撼岳阳城”一句中“云梦泽”是指____,诗句从____角度来描写景物的。
鼻子 no e
如图,△ABC内接于⊙O,AB为⊙O直径,AC=CD,连接AD交BC于点M,延长MC到N,使CN=CM.
(1)判断直线AN是否为⊙O的切线,并说明理由;
(2)若AC=10,tan∠CAD=34,求AD的长.