共50条信息
如图,\(AB\)为\(\odot O\)的直径,直线\(BM\bot AB\)于点\(B.\)点\(C\)在\(\odot O\)上,分别连接\(BC\),\(AC\),且\(AC\)的延长线交\(BM\)于点\(D\).\(CF\)为\(\odot O\)的切线交\(BM\)于点\(F\).
\((2)\)连接\(OF\)\(.\) 若\(AB=10\),\(BC=6\),求线段\(OF\)的长.
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