台湾ＣＡＤ画图技能竞赛89年度题-3，4，你也试试
<P align=justify><SMALL><FONT color=#0000a0><A name=三、试绘出下图并回答下列五个问题>三、</A>试绘出下图并回答下列五个问题（10分，每小题2分，选择题答错倒扣该小题25%）</FONT></SMALL><FONT face="?a1c???A,s"></FONT><FONT face="?a1c???A,s">
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<SMALL><FONT face=Arial>11.</FONT>此图形的外围周长为何?<FONT face=Arial><U> </U></FONT></SMALL><U> </U><SMALL>mm</SMALL>
<SMALL><FONT face=Arial>12.</FONT>此图形的总面积为何?</SMALL><U> </U><SMALL><FONT face=Arial><U></U>mm<SUP>2</SUP></FONT></SMALL>
<SMALL><FONT face=Arial>13.</FONT>A点至B点的直线距离为何?</SMALL><FONT face=Arial><SMALL><BR> (A) 105.531 (B) 105.520 (C) 105.508 (D) 105.519<O:P> </O:P></SMALL></FONT>
<SMALL><FONT face=Arial>14.C</FONT>点至<FONT face=Arial>D</FONT>点的直线距离为何<FONT face=Arial>?</FONT></SMALL><SMALL><FONT face=Arial><U> </U></FONT></SMALL><U> </U><SMALL>mm</SMALL>
<SMALL><FONT face=Arial>15.D</FONT>点至<FONT face=Arial>E</FONT>点的直线距离为何<FONT face=Arial>?</FONT></SMALL> <BR><FONT face=Arial><SMALL> (A) 116.345 (B) 116.334 (C) 116.312 (D) 116.323</SMALL></FONT>
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<P align=justify></FONT><SMALL><FONT color=#0000a0><A name=四、试绘出下图并回答下列五个问题>四、</A></FONT></SMALL><SMALL><FONT color=#0000a0>试绘出下图并回答下列五个问题（15分，每小题3分，选择题答错倒扣该小题25%）</FONT></SMALL><FONT face=细明体>
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<SMALL>16.</SMALL> <SMALL>扣除内孔后之净面积为何?<FONT face=Arial><U> </U>mm<SUP>2</SUP></FONT></SMALL>
<SMALL>17.</SMALL><SMALL> 最<O:P> 大外围周长为何?</SMALL><U> </U><FONT face=Arial><SMALL>mm</SMALL></FONT>
<SMALL>18.A、B两圆弧圆心点间的距离为何?</SMALL><SPAN lang=EN-US style="mso-fareast-font-family: 新细明体"><BR></SPAN><FONT face=Arial><SMALL> (A) 7.24 (B) 7.22 (C) 7.18 (D) 7.20<O:P> </O:P></SMALL></FONT>
<SMALL>19. C圆弧的弧长为何?</SMALL><FONT face=Arial><SMALL><BR> (A) 9.064 (B) 9.053 (C) 9.031 (D) 9.042<O:P> </O:P></SMALL></FONT>
<SMALL><FONT face=Arial>20. </FONT>D圆弧的弧长为何?</SMALL><U> </U><FONT face=Arial><SMALL>mm</SMALL></FONT>
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