如图,过⊙O上一点A的切线AC与⊙O直径BD的延长线交于点C,过A作AE⊥BC于点E.(1)求证:∠CAE=2∠B;(2)已知:AC=8,且CD=4,求⊙O的半径及线段AE的长.
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/05 14:20:47
xT]D+֢V$;_xL3OU3ht74x*fU`SAؖgئuE*+R䙹=:ѾX<)kG7F/7\O#_{enx~=_~w7=Wezl7vl;ysp}HRXٰi
_@WRƃ*v
.͑z :g?P
sSQ틯,CѺrJӝ\k5s5k5כvsk{nt+`=ٺ>jR>la!Uci]ޔ8I2'Dd8Ifc2s&<1Hcar꺹<9HpQx*٩NɅ/:I1-\/c',)ڿD٧G@k>͜Ć5ٽ6~z0ސF\|v>K=~t-axOwйЭn0V=ݭ%r0_}T*-rU$
:Jxݖ/ib D!>}5;ckz(uFAGȏ#[+#-x4P7W6ď)jפN:4̦ڀbSml[g)\&/hR#?_HL)3_&(,cSrY/,|4|IUP+EѥAF KEإ"[2,I=)S[Vi YW'"TF^j{xQ
xQ%EKWYgu'%@nˑ'rGW+:4