2021-2022學(xué)華大八級學(xué)冊第13章等角》期綜復(fù)訓(xùn)（答）AEDOB25AOBA65

B25

C90

D115DEFBC6A134DADEDFGFADG②AECDFAD+GE④BCE⑤A②④⑤

B①⑤

C①④⑤

D①④ABCDABC40ABCBAFCDCFEFDA50

B60

C70

D80

BC6535MBCABCAABCASASBDBACADACE10PABA15125D10DEABCBCABA8B9CDA8B10C810cm10BAC90ADCFCFBE①BCE②AF③FAG④A①②

B②

C①②③

D①③④

ABCBDCDABCDABACFEF+A+CFB+CFCBECFD12FDEADEA6B8CD1213A60B60C

D14eq\o\ac(△,t)ABCCACABMNPAPBCD4AB12A122436D15①②③PAPBAB④A1B2CD4

16ABCABC17ABCABCCABABDCABADBBCAHL18ADDeq\o\ac(△,Rt)ADBeq\o\ac(△,Rt)19ABCAB34AC的20234

21ABCcm5BCcm

cm22MNDADBABcmAC

23ACDEABCAD607cmDEBC

cm2460POADOPDODP25ABCACBFFDFABDEBD4DECE26ABCADE27ABCAMAMB平AMCBPMPCQMQQ1MPMQ2BMP

28CDEBEACF12FDFD29ABABOHCDODD，1030ABCACBACAEAFBE21FD23EF

參考答案AEOCCOEDOB112565+AOC90AOBBOC65ABCBChABC6DEF18SShDDADEDGADEFGDAEDDAE60ADGEDFDABCAEADGEDFDEF+AEDEACBCFEACBAGCAEBAGBCFDF+EG+GEDEDF+GEAD③CFODGADGEDFFKDEF

FKDFDKGOKBAGBCECEAGBAGBCESASBGBECBEEBGABC60EGB⑤EC②CSASBCHLDDCBAC18040AEFCFD

CFDSASCDF+CDFCFDCCABCMBCMBCABCASADPFABPEACPF10AB10D

DEABCAC+5+BE+5+4944cm4cm22cm22+2

ABEABEBCE10BE①△△BACADABCDACCFACFBCFAFGAGFGACAFGAGFAG②BAD+DAC90DAC90BADACBACBACFFAGACF③HBCHCBBHCH④CEDBDBCEBDDBCEDBEBDEDDFFCEDDFBEEFBEC126CFACBFBCFCBDEBC

FBCEFCECFDBDFEF+DF+EFAD+BD+EC+AEAB+12D13CD14DEABEAPDCDE12415②③PA+PAB④16ABCACBDCBA45ABCACB

9217BD2ASABAD3AASCD4ADB90ACBCACBDABCCAC18ABADBCADBADCeq\o\ac(△,Rt)ABDeq\o\ac(△,Rt)eq\o\ac(△,Rt)eq\o\ac(△,Rt)AC19ADEDEBDECDABDECDSAS33AD4ACAE+EC

2222835111120ASA21ABCcmAC5cmBC12cmACAB+BCPEPFxcmABx+x+x+BC+ACeq\o\ac(△,S)30x30△15x222MNCDBDcm

AD+ABcmAD+cmAB10323EEFFHBCDDGBC6030BED60DEGDGEFGDED3ADAHBCCHAHBCEFBCDGFHFHGD3.5+1.51024OCAOB

123123①DDODPDAOPOPDODP1803030120②DDODOPDODP30③DDOPDPODPAOP7530753025FBCBCFDFBCFBDDF4FEDEDF726ABCADEBADEADBADBADBADE1ADBADE60B606027MPMQAMP

AMP+AMBAMCAMC90MP2MQMP90PBMAMBMMCBMPMCQBMPAAS28ABDCDEADBDDCDEBDACDE60FAE+ACD60

BDE2FDBEHS△△DGDHFD29ABABOODCDABOOBABODOBABOASACDAB10m30DDGDKDHGHEKD90CDDKDHEKDFHD

AFEKDAASEDFD