第十一章 三角形 本章综合检测-八年级上册初二数学【教材解读】(人教版)

),*&(o_,!®)9*'(o_9!Z )+,),,)9!klK!"!#.0! +,/$)&', ! "&' ')+,!')+! /$)&(, ! "&( '),,!*),! /$)'(, ! "'( ')9,"')9! +,/$)&'7/$)&(7/$)'(,"7#7+! lK!"!#.0 !!!+!"!#º�"(#A·ø!�!&ùú��: ;<ï9-O³! &'gN7),7)!)0,)1 A6û± $7)0+$7)1! +,üA6û±7)((&7'-�[R! º�")#·ø! ��&p$7)0 �$7)1 M!70,71! )0,)1!7),7)! +,$7)0+$7)1! +,(&7),('7)! +,7)ü((&7'-�[R! ""#@º�·ø!�!k�& &')0*7&!)1*7'!)0,)1! +,_)p(&7'-�[R�! +,7)((&7'-�[R! ($)*+, !!2!"!2!#!. $!2!+,!34cd!e$&*'9$&*(Á EJ5#56!"4%<=&��e!:;$&'*+ :;$&(*"<=#!-.'*,(*, ! "'(, #$%! %!.!+,!b5�Lq%#���!>+R$ ÛÁE��%! &!.!+,!b(',((,5'8!e('(((, !1'8!M*'t'!+!(rË�,Jqm!- .&')*(!)$��$*':;$&'++ :;$+(*!-.&+,+*!)!��$b :;$&'++:;$+(*!e&',+(!'+, (*!-.&'((*,+(('+,'(!)# ��$*' (&( (&+',5'8!(& , ((+*!-.((+*((&+',5'8!-. (&+*,5'8!-.&+**+!)"��!- .2.! '!3!+,!*'$&'*|$&(+ò'F$# 56!-.'&,*&!&+,&(!('&*, ((&+,)'8!-.('&+,(*&(!-. $'&++$*&("939#!-.'+,(*!1 23! (!4!+,!r$&'(9$*+'i! &(,*'! &',*+! '(,+'! , - . -.$&'(+$*+'"999#! -.(&(',(*'+! r$'(,i!b#56%�5ÑÒ!e (&('((*'+,(&,'! -.(&(', ! "(&,'! 124! )!3!+,!*'((,5'8!&* E('&(% �Lq!*+*&'!-.(*,*+! r:;$&(*9:;$&+*i!&*,&* ! (*,+*!% -.:;$&(*+:;$&+*"<=#! -.&(,&+! *'$'*+ %S&,'*(*+('+, '*((*('+,'(('+,&(('+, &+('+,&'! -.&',!'$%!123! !*!4!+,!*'&*9'+E$&'(%n! -.r:;$'*99:;$&+9i!(9'*( ('9*,5'8!(9&+((&9+,5'8! M*'('9*,(&9+! -.(9'*,(9&+! r$'*9 9$&*(i! (9'*,((&*! '*,&*! ('*9,(&*(! , - . -.$'*9+$&*("393#! -.'9,&(,+!124! !!!<= !"!##8!+,!*'$&'(+$*+,! -.(*,(&,!''8! -.(*+,,!1'8&(*&(,,!1'8& !''8&+08,##8! !#!*"8!+,!�À$6%�5'"*&"#6 !1'8-*,!'18! -.(&,3,!1'8&(!&(3,;,!1'8& "'8&!'18,*"8! (* -.(&3,,!1'8&(&&(&,3,!1'8& !'18&*"8,"'8! -.(",!1'8&(&3,&(,39,!1'8& "'8&!'18,*"8! !$!&9,('"/+9,+'/&+,(+# +,!*'&**'(!(+*&'!v%L� '*!+! -.('+(,(&+(,5'8! r:;$&+9 i!(+&9((&9+,5'8! r:;$(*9 i!(*(9(((9*,5'8! M*'((9*,(&9+! -.(+&9,(*(9! -.(+&9,('(+! -.34%339&&ñ&9,('"±+9, +'#±34%393&&ñ&+,(+!)Ce �$&+9+$(+'! !%!"!339!+,!bcd!>*+)(1! ((*+(,(&(1! r$*+(9$&(1 i! (*(+,(&1(,5'8! (*+(,(&(1! *+,&(! , - . -.$*+(+$&(1"339#! -.(1,+(,"%! !&!0!+,!jkg!".!!·t)l),*'( ;t,!l)3*&';t3!çè&)! *'(&'( 9(&(' %�5%�Lq ')!()Ü;t)! -.),,)3,)+,"!