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\begin{enumerate}
\item ���̐��l�p���ɂ��Ĉȉ��̖₢�ɓ����Ȃ����B

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(1) ��$\mathrm{AB}$�ƕ��s�ȕӂ�

\hspace{2zw}�����Ȃ����B

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\item[(2)] ��$\mathrm{AB}$�Ƃ˂���̈ʒu�ɂ���ӂ����ׂē����Ȃ����B

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\item[(3)] �ȉ��̐}�͐��l�p����OA,AD,AB,BC�Ő؂�J�����W�J�}�̓r���}�ł���B���̐��l�p���̓W�J�}����}�Ŋ��������_�ɋL�������Ȃ����B

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\item[(4)] ���l�p���̈قȂ�W�J�}�͏�̐}�̌`���܂߂ĉ���ނ���܂����C�������ړ��ŏd�Ȃ�`��$1$�ɐ����܂��B

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\item[(5)] ���̐}�͂��̐��l�p���̓��e�}�̏��������ł��B�K�v�Ȑ��������������Ȃ����B

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\item �ȉ��̕�����������΁��𐳂����Ȃ���΁~�����Ȃ����B

\begin{enumerate}
\item �꒼����ɂȂ�$3$�_�ŕ��ʂ�$1$�Ɍ��܂�B

\item ���ʂƕ��ʂ����s�Ȃ�΂����̕��ʂɊ܂܂�钼���ǂ����͕��s�ł���B

\item ����ƌ�������s�Ȃ�Ε��s��$2$���ʂ��K������B
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\item �ȉ��̗��̂̕\�ʐςƑ̐ς����߂Ȃ����B�������~�����ɂ�$~\pi~$���g�p���Ȃ����B

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\special{ar 3560 1630 480 192  4.4273069 4.4630212}%
\special{ar 3560 1630 480 192  4.5701641 4.6058784}%
\special{ar 3560 1630 480 192  4.7130212 4.7487355}%
\special{ar 3560 1630 480 192  4.8558784 4.8915927}%
\special{ar 3560 1630 480 192  4.9987355 5.0344498}%
\special{ar 3560 1630 480 192  5.1415927 5.1773069}%
\special{ar 3560 1630 480 192  5.2844498 5.3201641}%
\special{ar 3560 1630 480 192  5.4273069 5.4630212}%
\special{ar 3560 1630 480 192  5.5701641 5.6058784}%
\special{ar 3560 1630 480 192  5.7130212 5.7487355}%
\special{ar 3560 1630 480 192  5.8558784 5.8915927}%
\special{ar 3560 1630 480 192  5.9987355 6.0344498}%
\special{ar 3560 1630 480 192  6.1415927 6.1773069}%
}}%
% STR 2 0 3 0 Black White
% 4 3535 1154 3535 1250 2 0 0 0
% $12$\ajLig{cm}
\put(35.2500,-12.2000){\makebox(0,0)[lb]{$12$\ajLig{cm}}}%
% LINE 2 2 3 0 Black White
% 2 3560 1630 3560 2206
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 3560 1630}%
\special{pa 3560 2206}%
\special{dt 0.045}%
}}%
% VECTOR 2 0 3 0 Black White
% 2 3240 2014 3080 2014
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 3240 2014}%
\special{pa 3080 2014}%
\special{fp}%
\special{sh 1}%
\special{pa 3080 2014}%
\special{pa 3148 2034}%
\special{pa 3134 2014}%
\special{pa 3148 1994}%
\special{pa 3080 2014}%
\special{fp}%
}}%
% VECTOR 2 0 3 0 Black White
% 2 3400 2024 3560 2024
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 3400 2024}%
\special{pa 3560 2024}%
\special{fp}%
\special{sh 1}%
\special{pa 3560 2024}%
\special{pa 3494 2004}%
\special{pa 3508 2024}%
\special{pa 3494 2044}%
\special{pa 3560 2024}%
\special{fp}%
}}%
% STR 2 0 3 0 Black White
% 4 3256 2062 3256 2158 2 0 0 0
% $5$\ajLig{cm}
\put(32.5600,-21.5800){\makebox(0,0)[lb]{$5$\ajLig{cm}}}%
% LINE 1 0 3 0 Black White
% 4 3560 478 3080 1630 3560 478 4040 1630
% 
{\color[named]{Black}{%
\special{pn 13}%
\special{pa 3560 478}%
\special{pa 3080 1630}%
\special{fp}%
\special{pa 3560 478}%
\special{pa 4040 1630}%
\special{fp}%
}}%
% DOT 1 0 3 0 Black White
% 2 3560 1630 3560 1630
% 
{\color[named]{Black}{%
\special{pn 4}%
\special{sh 1}%
\special{ar 3560 1630 8 8 0  6.28318530717959E+0000}%
\special{sh 1}%
\special{ar 3560 1630 8 8 0  6.28318530717959E+0000}%
}}%
% LINE 2 2 3 0 Black White
% 2 3560 1630 3560 478
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 3560 1630}%
\special{pa 3560 478}%
\special{dt 0.045}%
}}%
% LINE 2 2 3 0 Black White
% 2 3080 1630 3080 2206
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 3080 1630}%
\special{pa 3080 2206}%
\special{dt 0.045}%
}}%
% STR 2 0 3 0 Black White
% 4 200 94 200 174 2 0 0 0
% (1) �O�p��
\put(2.0000,-1.7400){\makebox(0,0)[lb]{(1) �O�p��}}%
% STR 2 0 3 0 Black White
% 4 1480 94 1480 174 2 0 0 0
% (2)~~�~��
\put(14.8000,-1.7400){\makebox(0,0)[lb]{(2)~~�~��}}%
% STR 2 0 3 0 Black White
% 4 2920 110 2920 190 2 0 0 0
% (3)~~�~����
\put(29.2000,-1.9000){\makebox(0,0)[lb]{(3)~~�~����}}%
% ELLIPSE 2 0 3 0 Black White
% 4 531 638 1331 830 1195 806 1339 630
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{ar 532 638 800 192  6.2423664 6.2831853}%
\special{ar 532 638 800 192  0.0000000 0.8117850}%
}}%
% ELLIPSE 2 0 3 0 Black White
% 4 2600 673 2440 1633 2600 1665 2800 1681
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{ar 2600 674 160 960  0.6986598 1.5707963}%
}}%
% ELLIPSE 2 0 3 0 Black White
% 4 2600 1609 2440 649 2800 601 2600 617
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{ar 2600 1610 160 960  4.7123890 5.5845255}%
}}%
% ELLIPSE 2 0 3 0 Black White
% 4 2600 673 2440 1633 2600 1665 2800 1681
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{ar 2600 674 160 960  0.6986598 1.5707963}%
}}%
% SPLINE 2 0 3 0 Black White
% 41 3070 1625 3069 1622 3065 1619 3063 1616 3061 1612 3058 1609 3057 1604 3055 1600 3054 1593 3052 1587 3051 1581 3050 1573 3050 1567 3050 1559 3050 1550 3050 1542 3050 1532 3051 1524 3052 1513 3052 1502 3054 1492 3055 1480 3058 1468 3059 1456 3061 1443 3063 1430 3067 1417 3069 1404 3071 1389 3074 1375 3078 1358 3082 1344 3086 1331 3090 1312 3094 1297 3099 1280 3103 1264 3108 1246 3114 1228 3118 1211 3124 1192
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 3070 1626}%
\special{pa 3056 1598}%
\special{pa 3050 1568}%
\special{pa 3050 1536}%
\special{pa 3052 1504}%
\special{pa 3058 1472}%
\special{pa 3062 1440}%
\special{pa 3070 1408}%
\special{pa 3074 1378}%
\special{pa 3082 1346}%
\special{pa 3090 1316}%
\special{pa 3098 1284}%
\special{pa 3106 1254}%
\special{pa 3116 1222}%
\special{pa 3124 1192}%
\special{sp}%
}}%
% SPLINE 2 0 3 0 Black White
% 41 3559 489 3557 491 3551 489 3550 489 3546 489 3542 489 3537 492 3533 493 3529 496 3523 499 3519 502 3514 506 3510 511 3504 516 3499 521 3494 527 3487 532 3483 540 3477 548 3470 555 3466 564 3458 572 3453 582 3446 592 3439 602 3433 612 3427 625 3420 636 3413 647 3406 660 3398 674 3392 688 3386 700 3377 714 3370 728 3362 745 3355 760 3347 775 3340 791 3332 808 3325 824
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 3560 490}%
\special{pa 3530 496}%
\special{pa 3506 516}%
\special{pa 3484 538}%
\special{pa 3466 564}%
\special{pa 3448 590}%
\special{pa 3432 618}%
\special{pa 3414 646}%
\special{pa 3400 674}%
\special{pa 3386 702}%
\special{pa 3370 730}%
\special{pa 3356 758}%
\special{pa 3328 816}%
\special{pa 3326 824}%
\special{sp}%
}}%
% STR 2 0 3 0 Black White
% 4 3000 894 3000 990 2 0 0 0
% $13$\ajLig{cm}
\put(30.0000,-10.5000){\makebox(0,0)[lb]{$13$\ajLig{cm}}}%
% ELLIPSE 2 0 3 0 Black White
% 4 3555 1108 3615 478 3655 1078 3555 478
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{ar 3556 1108 60 630  4.7123890 6.2531943}%
}}%
% ELLIPSE 2 0 3 0 Black White
% 4 3560 1000 3620 1630 3560 1630 3660 1450
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{ar 3560 1000 60 630  0.4060981 1.5707963}%
}}%
% LINE 2 0 3 0 Black White
% 4 3558 1578 3508 1578 3508 1578 3508 1628
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 3558 1578}%
\special{pa 3508 1578}%
\special{fp}%
\special{pa 3508 1578}%
\special{pa 3508 1628}%
\special{fp}%
}}%
\end{picture}%

\vspace{1mm}
\hspace{-7mm}
\begin{tabular}{|@{\vrule width 0.3pt}c@{}|@{}c@{}|c|@{}c@{}|c|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
& & \hspace{30mm} & & \hspace{30mm} \\[-8pt]
\,($1$)\, & \,�\�ʐ�\, & {\color{white}{108}} & \,�̐�\, & {\color{white}{$48$}} \\[-8pt]
& & \multicolumn{1}{@{}r|}{\ajLig{cm2}} & & \multicolumn{1}{@{}r|@{\vrule width 0.3pt}}{\ajLig{cm3}} \\
\hline
& & ~~~~~~~~ & & ~~~~~~~~ \\[-8pt]
\,($2$)\, & \,�\�ʐ�\, & {\color{white}{$66\pi$}} & \,�̐�\, & {\color{white}{$72\pi$}} \\[-8pt]
& & \multicolumn{1}{@{}r|}{\ajLig{cm2}} & & \multicolumn{1}{@{}r|@{\vrule width 0.3pt}}{\ajLig{cm3}} \\
\hline
& & ~~~~~~~~ & & ~~~~~~~~ \\[-8pt]
\,($3$)\, & \,�\�ʐ�\, & {\color{white}{$90\pi$}} & \,�̐�\, & {\color{white}{$100\pi$}} \\[-8pt]
& & \multicolumn{1}{@{}r|}{\ajLig{cm2}} & & \multicolumn{1}{@{}r|@{\vrule width 0.3pt}}{\ajLig{cm3}} \\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}

\vspace{1mm}
\item �ȉ��̐}�͔��a$4$\ajLig{cm}�C���S�p$90^\circ$�̂������`�Ɛ����`��g�ݍ��킹���}�ł���B
���̐}�`�𒼐�$\ell$�����Ƃ���$1$��]���Ăł��闧�̂̕\�ʐςƑ̐ς����߂Ȃ����B

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\unitlength 0.1in
\begin{picture}(  8.0000, 21.7000)( 10.0000,-22.0000)
% LINE 1 0 3 0 Black White
% 2 1800 200 1800 2200
% 
{\color[named]{Black}{%
\special{pn 13}%
\special{pa 1800 200}%
\special{pa 1800 2200}%
\special{fp}%
}}%
% CIRCLE 1 0 3 0 Black White
% 4 1800 1200 1000 1200 1800 600 1200 1200
% 
{\color[named]{Black}{%
\special{pn 13}%
\special{ar 1800 1200 800 800  3.1415927 4.7123890}%
}}%
% LINE 1 0 3 0 Black White
% 4 1000 1200 1000 2000 1000 2000 1800 2000
% 
{\color[named]{Black}{%
\special{pn 13}%
\special{pa 1000 1200}%
\special{pa 1000 2000}%
\special{fp}%
\special{pa 1000 2000}%
\special{pa 1800 2000}%
\special{fp}%
}}%
% LINE 2 2 3 0 Black White
% 2 1800 1200 1000 1200
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 1800 1200}%
\special{pa 1000 1200}%
\special{dt 0.045}%
}}%
% LINE 2 0 3 0 Black White
% 4 1700 1200 1700 1100 1700 1100 1800 1100
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{pa 1700 1200}%
\special{pa 1700 1100}%
\special{fp}%
\special{pa 1700 1100}%
\special{pa 1800 1100}%
\special{fp}%
}}%
% STR 2 0 3 0 Black White
% 4 1690 60 1690 160 2 0 0 0
% $\ell$
\put(17.9000,-1.6000){\makebox(0,0)[lb]{$\ell$}}%
% STR 2 0 3 0 Black White
% 4 1330 1290 1330 1390 2 0 0 0
% $4$\ajLig{cm}
\put(12.9000,-13.7000){\makebox(0,0)[lb]{$4$\ajLig{cm}}}%
\put(19.3000,-2.9000){\makebox(0,0)[lb]{�����ߕ���}}%
% ELLIPSE 2 0 3 0 Black White
% 4 1380 1200 1780 1320 1580 1320 1580 1200
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{ar 1380 1200 400 120  6.2831853 6.2831853}%
\special{ar 1380 1200 400 120  0.0000000 1.1071487}%
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% ELLIPSE 2 0 3 0 Black White
% 4 1408 1200 1008 1320 1208 1200 1208 1320
% 
{\color[named]{Black}{%
\special{pn 8}%
\special{ar 1408 1200 400 120  2.0344439 3.1415927}%
}}%
\end{picture}%

\vfill
\hspace{-7mm}
\begin{tabular}{|@{\vrule width 0.3pt}c@{}|c|@{}c@{}|c|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
& \hspace{32mm} & & \hspace{32mm} \\[-8pt]
\,�\�ʐ�\, & {\color{white}{$80\pi$}} & \,�̐�\, & {\color{white}{$\dfrac{\,320\,}{3}\pi$}} \\[-8pt]
& \multicolumn{1}{@{}r|}{\ajLig{cm2}} & & \multicolumn{1}{@{}r|@{\vrule width 0.3pt}}{\ajLig{cm3}} \\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}

\vspace{-63mm}
\hspace{25mm}
\begin{tabular}{@{}c@{}c@{}l@{}}
{\color{white}{$S$}} & {\color{white}{\,$=$\,}} & {\color{white}{$4\pi\times 4^2\times\dfrac{1}{\,2\,}+8\pi\times 4+\pi\times 4^2$}} \\
    & {\color{white}{\,$=$\,}} & {\color{white}{$32\pi +32\pi +16\pi$}} \\
&& \\
{\color{white}{$V$}} & {\color{white}{\,$=$\,}} & {\color{white}{$\dfrac{4}{\,3\,}\pi\times 4^3\times\dfrac{1}{\,2\,}+\pi\times 4^2\times 4$}} \\
&& \\[-12pt]
    & {\color{white}{\,$=$\,}} & {\color{white}{$\dfrac{128}{\,3\,}\pi+64\pi$}} \\
\end{tabular}
\vspace{31mm}

\end{enumerate}

\end{document}
