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\begin{enumerate}
\item ����\fbox{\mathstrut\hskip 3zw }�ɓ��Ă͂܂邱�ƌ��t�⎮�������Ȃ����B
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\item $ \angle a + \angle b=~$\fbox{\hskip 1zw \mathstrut~~~~~~~~~~\hskip 1zw}�ł���C
�܂�$ \angle a + \angle b + \angle c + \angle d=~$\fbox{\hskip 1zw \mathstrut~~~~~~~~~~ \hskip 1zw}�ł���B

\item $ \angle a$ �� $ \angle c$ �̈ʒu�ɂ���p��\fbox{\hskip 1zw \mathstrut~~~~~~~~~~ \hskip 1zw}�Ƃ����B

\item $ \angle b$ �� $ \angle f$ �̈ʒu�ɂ���p��\fbox{\hskip 1zw \mathstrut~~~~~~~~~~ \hskip 1zw}�Ƃ����C$ \angle a$ �� $ \angle g$ �̈ʒu�ɂ���p��
\fbox{\hskip 1zw \mathstrut~~~~~~~~~~ \hskip 1zw}�Ƃ����B

\item �O�p�`�ɂ�����$3$�̓��p�����ׂ�$90^{\circ }$��菬�����O�p�`��\fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~ \hskip 1zw}�Ƃ����C
$1$�̓��p��$90^{\circ }$�̎O�p�`��\fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~ \hskip 1zw}�C
$1$�̓��p��$90^{\circ }$���傫���O�p�`��\fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~ \hskip 1zw}�Ƃ����B

\item $\>n\>$�p�`����̒��_����Ίp����p���ĎO�p�`�ɕ��������Ƃ�
\fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~ \hskip 1zw}�̎O�p�`�ɕ�������B
���̂��Ƃ���$\>n\>$�p�`�̓��p�̘a��\fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~ \hskip 1zw}�ƕ\�����B
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\begin{tabular}{|c|@{}c|c|@{}c|}
\hline
         & \hspace{35mm} &          & \hspace{35mm} \\[-8pt]
(1) & $\angle x=~~~~~~~~~~~$   & (2) & $\angle x=~~~~~~~~~~~$ \\[-8pt]
         &               &          &               \\
\hline
         & \hspace{30mm} &          & \hspace{30mm} \\[-8pt]
(3) & $\angle x=~~~~~~~~~~~$  & (4) & $\angle x=~~~~~~~~~~~$ \\[-8pt]
         &               &          &               \\
\hline
         & \hspace{30mm} &          & \hspace{30mm} \\[-8pt]
(4) & $\angle y=~~~~~~~~~~~$  & (5) & $\angle x=~~~~~~~~~~~$ \\[-8pt]
         &               &          &               \\
\hline
         & \hspace{30mm} \\[-8pt]
(6) & $\angle x=~~~~~~~~~~~$  \\[-8pt]
         &               \\
\cline{1-2}
\end{tabular}

\item �O�p�`�̊O�p�̘a��$360^{\circ }$�ɂȂ邱�Ƃɂ��Ĉȉ��̖₢�ɓ����Ȃ����B

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\begin{enumerate}
\item ���$\triangle \mathrm{ABC}$�̊O�p��}�����Ȃ����B

\item $3$�̊O�p�̘a��$360^{\circ }$�ɂȂ邱�Ƃ�������Ȃ����B
(�����ɕK�v�ȋL�����}�͐}�Ɏc���Ă�������)
\end{enumerate}

\hspace{-5mm}
\begin{tabular}{|c|}
\hline
\hspace{85mm} \\
\\
\\
\\
\\
\\
\\
\\
\hline
\end{tabular}

%\newpage
%
\item �O�p�`�̓��p�̘a�̐����𕽍s���̐�����p���Đ��������B����
\fbox{\mathstrut\hskip 3zw }�̒��ɓ��Ă͂܂鎮�܂��͌��t�������Ȃ����B

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��̐}�̂悤��$ \triangle \mathrm{ABC}$�ŁC�_$\mathrm{C}$��ʂ��$\mathrm{AB}$�ɕ��s�Ȓ���$\mathrm{DC}$����
�����B

$\mathrm{AB}/\hspace{-0.8mm}/\mathrm{DC}$��� \fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~\hskip 1zw} ������������\hskip 
1.5zw 

\parindent = 2.5zw 
$\angle \mathrm{B}=$ \fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~\hskip 1zw}$\cdot \cdot \cdot \cdot 
\cdot \cdot$(1)

\parindent = 0zw 
�܂� \fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~\hskip 1zw} ������������\hskip 1.5zw 

\parindent = 2.5zw 
$\angle \mathrm{A}=$ \fbox{\hskip 1.5zw \mathstrut~~~~~~~~~~\hskip 1zw}$\cdot \cdot \cdot \cdot 
\cdot \cdot$(2)

\parindent = 0zw 
����������(1),(2)���

\hspace{-5mm}$\angle \mathrm{A}+ \angle \mathrm{B}+ \angle \mathrm{ACB}=$ \fbox{\hskip 1.5zw \mathstrut~~~~~~\hskip 1zw} 
$+$ \fbox{\hskip 1.5zw \mathstrut~~~~~~\hskip 1zw} $+ \angle \mathrm{ACB}$\hskip 1zw 

\parindent = 7.5zw 
=$180$�K

%\vspace{-2mm}
%\begin{center}
%\begin{tabular}{|c|c|c|c|}
%\hline
%        & \hspace{30mm} &          & \hspace{30mm} \\[-8pt]
%\ajMaru{1} & & \ajMaru{2} & \\[-8pt]
%         &               &          &               \\
%\hline
%         & \hspace{30mm} &          & \hspace{30mm} \\[-8pt]
%\ajMaru{3} & & \ajMaru{4} & \\[-8pt]
%         &               &          &               \\
%\hline
%\end{tabular}
%\end{center}
\end{enumerate}

\end{document}
