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ËùÓÐµÄ½Ç alternate angle ÄÚ´í½Çª¤ corresponding angle ͬλ½Çª¤ vertical angle ¶Ô ¶¥½Çª¤ central angle Ô²ÐĽǪ¤ interior angle ÄڽǪ¤ exterior angle Íâ½Ç ª¤ supplementary angles ²¹½Çª¤ complementary angle Óà½Çª¤ adjacent angle ÁڽǪ¤ acute angle Èñ½Çª¤ obtuse angle ¶Û½Çª¤ right angle Ö±½Çª¤ round angle ÖܽǪ¤ straight angle ƽ½Çª¤ included angle ¼Ð½Çª¤ª¤ 2.ª±ËùÓеÄÈý½ÇÐÎ equilateral triangle µÈ±ßÈý½ÇÐΪ¤ scalene triangle ²»µÈ±ßÈý½ÇÐΪ¤ isosceles triangle µÈÑüÈý½ÇÐΪ¤ right triangle Ö±½ÇÈý½ÇÐΪ¤ oblique бÈý ½ÇÐΪ¤ inscribed triangle ÄÚ½ÓÈý½ÇÐΪ¤ª¤ 3.ª±ÓйØÊÕÁ²µÄÆ½ÃæÍ¼ÐΣ¬³ýÈý½ÇÐÎÍ⪤ semicircle °ëÔ²ª¤ concentric circles ͬÐÄÔ²ª¤ quadrilateral ËıßÐΪ¤ pentagon Îå±ßÐΪ¤ hexagon Áù±ßÐΪ¤ heptagon Æß±ßÐΪ¤ octagon °Ë±ßÐΪ¤ nonagon ¾Å±ßÐΪ¤ decagon Ê®±ßÐΪ¤ polygon ¶à±ßÐΪ¤ parallelogram ƽÐÐËıßÐΪ¤ equilateral µÈ±ßÐΪ¤ plane Æ½Ãæª¤ square Õý·½ÐΣ¬Æ½·½ª¤ rectangle ³¤·½ÐΪ¤ regular polygon Õý¶à±ßÐΪ¤ rhombus ÁâÐΪ¤ trapezoid ÌÝÐΪ¤ª¤ 4.ª±ÆäËüÆ½ÃæÍ¼ÐÎ arc »¡ª¤ line, straight line Ö±Ïߪ¤ line segment Ï߶Ϊ¤ parallel lines ƽÐÐÏߪ¤ segment of a circle »¡ÐΪ¤ª¤ 5.ª±ÓйØÁ¢ÌåͼÐÎ cube Á¢·½Ì壬Á¢·½Êýª¤ rectangular solid ³¤·½Ì媤 regular solid/regular polyhedron Õý¶àÃæÌ媤 circular cylinder Ô²ÖùÌ媤 cone Ô²×¶ª¤ sphere ÇòÌå ª¤ solid Á¢ÌåµÄª¤ª¤ 6.ª±ÓйØÍ¼ÐÎÉϵĸ½ÊôÎï altitude ¸ßª¤ depth Éî¶Èª¤ side ±ß³¤ª¤ circumference, perimeter Öܳ¤ª¤ radian »¡¶Èª¤ surface area ±íÃæ»ýª¤ volume Ìå»ýª¤ arm Ö±½ÇÈý½ÇÐεĹɪ¤ cross section ºá½ØÃ檤 center of a circle Ô²ÐΤ chord ÏÒª¤ radius °ë¾¶ ª¤ angle bisector ½Çƽ·ÖÏߪ¤ diagonal ¶Ô½ÇÏߪ¤ diameter Ö±¾¶ª¤ edge À⪤ face of a solid Á¢ÌåµÄÃæª¤ hypotenuse б±ßª¤ included side ¼Ð±ßª¤ leg Èý½ÇÐεÄÖ±½Ç±ßª¤ median of a triangle Èý½ÇÐεÄÖÐÏߪ¤ base µ×±ß£¬µ×Êý£¨ e.g. 2µÄ5´Î·½£¬2¾ÍÊǵ×Êý£©ª¤ opposite Ö±½ÇÈý½ÇÐÎÖеĶԱߪ¤ midpoint Öе㠪¤ endpoint ¶Ëµãª¤ vertex (¸´ÊýÐÎʽvertices)¶¥µãª¤ tangent ÇÐÏߵΤ transversal ½ØÏߪ¤ intercept ½Ø¾àª¤ª¤ 7.ª±ÓйØ×ø±êª¤ª¤ coordinate system ×ø±êϵª¤ rectangular coordinate Ö±½Ç×ø±êϵª¤ origin Ô µãª¤ abscissa ºá×ø±êª¤ ordinate ×Ý×ø±êª¤ number line ÊýÖ᪤ quadrant Ïó ÏÞª¤ slope бÂʪ¤ complex plane ¸´Æ½Ã檤ª¤ 8.ª±ÆäËü plane geometry Æ½Ãæ¼¸ºÎª¤ trigonometry Èý½Çѧª¤ bisect ƽ·Öª¤ circumscribe ÍâÇЪ¤ inscribe ÄÚÇЪ¤ intersect Ïཻª¤ perpendicular ´¹Ö± ª¤ pythagorean theorem ¹´¹É¶¨Àíª¤ congruent È«µÈµÄª¤ multilateral ¶à±ßµÄ ª¤ ÆäËüª¤ª¤ 1.ª±µ¥Î»Àત cent ÃÀ·Öª¤ penny Ò»ÃÀ·ÖÓ²±Ò ª¤ nickel 5ÃÀ·ÖÓ²±Òª¤ dime Ò»½ÇÓ²±Òª¤ dozen ´ò£¨12¸ö£©ª¤ score Ø¥(20¸ö)ª¤ Centigrade ÉãÊϪ¤ Fahrenheit »ªÊϪ¤ quart ¿äÍѪ¤ gallon ¼ÓÂØ(1 gallon = 4 quart)ª¤ yard Â몤 meter Ãת¤ micron ΢ Ãת¤ inch Ó¢´çª¤ foot Ó¢³ßª¤ minute ·Ö(½Ç¶ÈµÄ¶ÈÁ¿µ¥Î»£¬60·Ö=1¶È)ª¤ square measure ƽ·½µ¥Î»Öƪ¤ cubic meter Á¢·½Ãת¤ pint Æ·ÍÑ(¸ÉÁ¿»òÒºÁ¿µÄ µ¥Î»)ª¤ª¤ 2.ª±ÓйØÎÄ×ÖÐðÊöÌ⣬Ö÷ÒªÊÇÓйØÉÌÒµ intercalary year(leap year) ÈòÄê(366Ìì)ª¤ common year ƽÄê(365Ìì)ª¤ depreciation Õ۾ɪ¤ down payment Ö±½Ó¸¶¿îª¤ discount ´òÕÛª¤ margin ÀûÈó ª¤ profit ÀûÈóª¤ interest ÀûÏ¢ª¤ simple interest µ¥Àûª¤ compounded interest ¸´Àûª¤ dividend ºìÀûª¤ decrease to ¼õÉÙµ½ª¤ decrease by ¼õÉÙÁË ª¤ increase to Ôö¼Óµ½ª¤ increase by Ôö¼ÓÁ˪¤ denote ±íʾª¤ list price ±ê ¼Ûª¤ markup ÕǼ۪¤ per capita ÿÈ˪¤ ratio ±ÈÂʪ¤ retail price ÁãÊÛ¼Ûª¤ tie ´òƽ |
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