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\item ����\fbox{�@�@}�ɓ��Ă͂܂錾�t�܂��͎����L�����Ȃ����B
\begin{enumerate}
\item $1$�_����o��$2$��\fbox{\ajMaru{1}}�ɂ���Ăł���}�`���p�Ƃ����C
����$1$�_���p��\fbox{\ajMaru{2}}�C$2$��\fbox{\ajMaru{1}}���p��\fbox{\ajMaru{3}}�Ƃ����܂��B

\item $2$�����������Ƃ��C�����_��$2$������\fbox{\ajMaru{4}}�Ƃ����܂��B$2$����$\ell\>,\>m$��������Ăł���p�����p�ł���Ƃ��C$2$������\fbox{\ajMaru{5}}�ł���Ƃ����C�L�����g����\fbox{\ajMaru{6}}�Ə����܂��B

\item �������ʏ�ɂ���$2$����$\ell\>,\>m$�𓯂������ɂǂ��܂ŉ��΂��Ă������Ȃ��Ƃ��C
$2$������\fbox{\ajMaru{7}}�ł���Ƃ����C�L�����g����\fbox{\ajMaru{8}}�Ə����܂��B

\item ����$\mathrm{AB}$��ŁC�_$\mathrm{A}\>,\>\mathrm{B}$���瓙���������ɂ���_$\mathrm{M}$�����$\mathrm{AB}$��\fbox{\ajMaru{9}}�Ƃ����C�L�����g����\fbox{\ajMaru{10}}�Ə����܂��B

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\item ���̍�}�����Ȃ����B��}�ɗp�������͏����Ȃ����ƁB

\begin{enumerate}
\item ���̎O�p�`�ɂ�����$\angle \mathrm{A}$�̓񓙕�������}���Ȃ����B

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\item ����$\mathrm{AB}$��̓_$\mathrm{H}$��ʂ鐂������}���Ȃ����B

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\item $\triangle \mathrm{ABC}$�ɂ����Ē�ӂ�$\mathrm{BC}$�Ƃ����Ƃ��̍�����\������$\mathrm{AH}$����}���Ȃ����B

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\item ���̐}�̂悤�ɁC2�_$\mathrm{A}\>,\>\mathrm{B}$�ƒ���$\ell$������Ƃ��C����$\ell$��ɂ���
��$\mathrm{AP}=\mathrm{BP}$�ƂȂ�悤�ȓ_$\mathrm{P}$����}���Ȃ����B

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\item ���̉~$\mathrm{O}$�ɂ����Ē��S�p$150^{\circ }$�̂������`$\mathrm{AOB}$����}���Ȃ����B

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