BÔĐ KIM TRA HO !" !"#$%%&'()* +, /0"". ,12345)676688)tit 52 kim tra9:!;6<64 5+,#6+,0#!=3= /0>4 ?@+,#6+,0#."-ABC0DE1 /0>)2F,GCDE1HC-I);!4 JK,1(#L3=(#6MN"..ND,#O"1A, &,4 !#$%&'( PQ,R/SF/, 4 TUEVND,W"#$%%4 )*+, -./012345617589/:71;<;35=>1/? 4561 @1 235A . BA CDE6FB /0123 X5 ? N* QY ? N*Z X5 ? N* QY ? N*Z 4[&'() 7 \ *\ *\ *\ *\ 4[&], <* *< *\ Z*\ 5: ^ ^ *8 \*Z Z\ \\ _0!;>,` !;": FabN cND, F 5 !; U;>,,R& # '!; 54!; 5X 4[&'() *\ 4\d*\ *\ 4 4[&], *\ 4≈ 4 4[&'() *\ 4\d*\ *\ 4 4[&], Z*\ 47≈ Z4 5: Z Z Th=(Nguyn Văn Nha5e5T?UUCXN_5 BÔĐ KIM TRA HO 'fJgh'fUi4 ?>,(2 đim)cA,,1A>"j(3AeD>1,1F0(*-6 Mj(3"j /(.0(3"jk ?>,(2 đim)cA,/,( B #Bl2k ?>,(2 đim) U"!m 00"E"/a,#jNl 00"E"/a ,#j>#$4 ?>,Z (4 đim) N-!g_2DE$@Am-,2-Il j N,#jNl*gnAlj ,#j^45, #j2A,=4 *TW1-o0 -g_"/a,#j4 /*cA,j 0E"/a,#j#24 *Y= "$-o*jG!;VF," 0-IF," -4 ' /,F!; ?>,` cp%YqcP?rc's5t'u[uc ' ?>, (2đ) c,1A>"j(3AeD>1,1F0(. D"`(AeD>1,1F04 ?Mj(3"jP hp = p4 ! _(.0"j;.3(,(6m "&,D>1Dv4 *\ * *\ ?>, (2đ) ? B. 5S ?#Bl.O"#j."E,#j>#w4 5-xS ?#Bl.#jW"."E,#jNl *\ *\ *\ *\ ?>, (2đ) P;,y0"E"/a,#jNl ,#j>#$ HF,-I-4 ,z00"E"/a,#jNl,IC- z00"E"/a,#j>#$,`C- * *\ *\ ?>,\ (4đ) *Y=0 /*cA,j 0 .00"*HF, IC-4 *5O"$-o2 ∆g{_{|}∆g_| * * *\ Th=(Nguyn Văn Nha5e5T?UUCXN_5 BÔĐ KIM TRA HO )22 AO OA AB BA ~~~ = m#2∆g{_{•{}∆|%•{ )22 ~ ~~~~ OF FA OI BA = -$g_d|%A) 2 ~ ~~ ~ ~~~ OF OFOA OF FA AO OA + == ~ ~~~ OF OFOA OA OA + = 51!;*j|g{dZ 5)2j \ ~~ = AB BA & *\ *\ *\ *\ *\ *\ 5:"./. 4 'fJgh'fUi4 ?>,(2 đim)5$/.1,E" ,1AB"EN 1/645j!; -9D>1 ,NM1/6DHE()Q€,;98Q*/6 !;-9D>1 ,N!C 1/62.Z-94 ?>,(2 đim)Q$!"e",:e.#$•-a&B ‚9ƒ*A,#Blk ?>,(2 đim) U"!m 00"E"/a,#jNl 00"E"/a ,#j>#$4 ?>,Z(4 đim)N-!g_"^2DE$@Am-,2-I lj N,#jNl*gnAlj ,#j\4 5,#j2A,=4 *TW1-o0 -g_"/a,#j4 /*cA,j 0E"/a,#j#24 *Y= "$-o*j#"0)0I,#j F," 04 ' /,F!; ?>,` cND, ' ?>, (2đ) c,1AB,E" 1/6D=A(0 M()4 _Nj 1/6‚,ND>1Dv 2!;-9D>1#, +,AN•/n„4 uDlM q q = * d… d == Z4 8 4 n U U 88-9 d88-9 *\ *\ *\ *\ *\ *\ ?>, Q$e.#2C-9†C16,*"/2 Th=(Nguyn Văn Nha5e5T?UUCXN_5 BÔĐ KIM TRA HO (2đ) 116,A#1:A,= 1 ‚9ƒ-$-1.#$•-a&. G$•-a€ ?#BlO"#jW",#jNl * * ?>, (2đ) P;,y0"E"/a,#jNl ,#j>#$ HF,-I-4 ,z00"E"/a,#jNl,IC- z00"E"/a,#j>#$,`C- * *\ *\ ?>,Z (4đ) *Y=0#&O"G( /*cA,j 0 .0*F,-I-4 *Y= "$-o*6(M €„∆g{_{|}∆g_| )22 ∆ BOA ~ ∆ B’OA’ neân OA OA~ = AB BA ~~ (1) ∆ FA’B’~ ∆ FOI neân: FO FA~ = OI BA ~~ -$g_d|%A) 2 OF OFOA OF FA AO OA − == ~~~ OF OFOA −~ = OA OA~ thay s; "j OA’= 30 cm h’= A’B’ = OA ABOA~‡ = = \ ^4 16cm * * *\ *\ *\ *\ *\ *\ *\ 5:"./. 4 ' 1BGHI Th=(Nguyn Văn Nha5e5T?UUCXN_5 . 1/645j!; -9 D>1 ,NM1/6DHE()Q€,; 9 8Q*/6 !; -9 D>1 ,N!C 1/62.Z -9 4 ?>,(2 đim)Q$!"e",:e.#$•-a&B ‚ 9 ƒ*A,#Blk ?>,(2. 1/6‚,ND>1Dv 2!; -9 D>1#, +,AN•/n„4 uDlM q q = * d… d == Z4 8 4 n U U 88 -9 d88 -9 * * * * * * ?>,. !"#$%%&'()* +, /0"". ,12345)676688)tit 52 kim tra 9 :!;6<64 5+,#6+,0#!=3=