Èçͼ¢Ù£¬ÖУ¬£¬£®ËüµÄ¶¥µãµÄ×ø±êΪ£¬¶¥µãµÄ×ø±êΪ£¬£¬µã´Óµã³ö·¢£¬Ñصķ½ÏòÔÈËÙÔ˶¯£¬Í¬Ê±µã´Óµã³ö·¢£¬ÑØÖáÕý·½ÏòÒÔÏàͬËÙ¶ÈÔ˶¯£¬µ±µãµ½´ïµãʱ£¬Á½µãͬʱֹͣÔ˶¯£¬ÉèÔ˶¯µÄʱ¼äΪÃ룮

(1£©ÇóµÄ¶ÈÊý£®

(2£©µ±µãÔÚÉÏÔ˶¯Ê±£¬µÄÃæ»ý£¨Æ½·½µ¥Î»£©Óëʱ¼ä£¨Ã룩֮¼äµÄº¯ÊýͼÏóΪÅ×ÎïÏßµÄÒ»²¿·Ö£¬£¨Èçͼ¢Ú£©£¬ÇóµãµÄÔ˶¯Ëٶȣ®

(3£©Çó£¨2£©ÖÐÃæ»ýÓëʱ¼äÖ®¼äµÄº¯Êý¹Øϵʽ¼°Ãæ»ýÈ¡×î´óֵʱµãµÄ×ø±ê£®

(4£©Èç¹ûµã±£³Ö£¨2£©ÖеÄËٶȲ»±ä£¬ÄÇôµãÑرßÔ˶¯Ê±£¬µÄ´óСËæ×Åʱ¼äµÄÔö´ó¶øÔö´ó£»ÑØ×űßÔ˶¯Ê±£¬µÄ´óСËæ×Åʱ¼äµÄÔö´ó¶ø¼õС£¬µ±µãÑØÕâÁ½±ßÔ˶¯Ê±£¬Ê¹µÄµãÓм¸¸ö£¿Çë˵Ã÷ÀíÓÉ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÈçͼ£¬¡÷ABCÖУ¬EFÊÇËüµÄÖÐλÏߣ¬M¡¢N·Ö±ðÊÇEB¡¢CFµÄÖе㣬ÈôBC=8cm£¬ÄÇôEF=
 
cm£¬MN=
 
cm£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÈçͼ£¬ABCÖУ¬ADÊÇËüµÄ½Çƽ·ÖÏߣ¬AB=4£¬AC=3£¬ÄÇô¡÷ABDÓë¡÷ADCµÄÃæ»ý±ÈÊÇ£¨¡¡¡¡£©
A¡¢1£º1B¡¢3£º4C¡¢4£º3D¡¢²»ÄÜÈ·¶¨

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

19¡¢Èçͼ£¬¡÷ABCÖУ¬ADÊÇËüµÄ½Çƽ·ÖÏߣ¬PÊÇADÉϵÄÒ»µã£¬PE¡ÎAB½»BCÓëE£¬PF¡ÎAC½»BCÓëF£®ÇóÖ¤£ºDµ½PEµÄ¾àÀëÓëDµ½PFµÄ¾àÀëÏàµÈ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

ÈçͼÊÇÓÉÆ߸öСÕý·½Ìå¶Ñ»ý¶ø³É£¬ÇëÔÚÈçͼ·½¸ñÖ½Öзֱ𻭳öËüµÄÕýÊÓͼ¡¢×óÊÓͼºÍ¸©ÊÓͼ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£ºµÚ1Õ¡¶Ö¤Ã÷£¨¶þ£©¡·Ò×´íÌ⼯£¨07£©£º1.2 Ö±½ÇÈý½ÇÐΣ¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

Èçͼ£¬ABCÖУ¬ADÊÇËüµÄ½Çƽ·ÖÏߣ¬AB=4£¬AC=3£¬ÄÇô¡÷ABDÓë¡÷ADCµÄÃæ»ý±ÈÊÇ£¨ £©

A£®1£º1
B£®3£º4
C£®4£º3
D£®²»ÄÜÈ·¶¨

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸