如图,AB是圆O的切线,半径OA=2,OB交圆O于C,角B=30°,则劣弧AC的长是?
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/04 04:19:56
xZ[SW+ƪNf7!ndܺlFܑ@f0Ј_'2ԥ>ɓ'OO]h)=ۗM?=2hxMZF(/lu4,Sw!|cWJ48/t3Оxo27Ђ&tuB2T?zB`Ł%ȂtzžjyWpnW",,ɴe8;rj̯͘ͳV3սӛRdc Lj {nɦ-Z_*EZH?E>,YVswNmxg]ڂ4(I݁L/ǯ_jMvVDzs=3S@Njebw~$0\pm}/υG6㈅шSʴfb7t.N7w7
mҚ$ GfaE1k)@GսGesޘ6!xp&yM
3-#n
N>|}PyW^H"`0ޜd :IX3?)iV|LUFJg\vm@m)ٜL}̗ʌ֔L5]=~jo+}MYy섛ےOu& 00X(M@g,E]
(H㕈zzMWҎ?G ! 4jh2\)ڛeAy˃Lty4B#qz:%