Phép vị tự (11NC)

                                        A B C O C’ A’ B’ A B C Ba ̀ i 5. HAI HI ̀ NH BĂ ̀ NG NHAU                                        M M’ !      "  #   #$ %      ! += &&&&&&  ! += '(  %(    )  "  %  %$ %     " += &&&&&& " +=                                        A B C M C’ A’ B’ M’ !! −= N N’  " *+*+ −+−=  "  " !! **++, *+*+ , , , , , , −−+ −+−= =⇒ Ba ̀ i 5. HAI HI ̀ NH BĂ ̀ NG NHAU                                        A B C M C’ A’ B’ M’ N N’ &&**++, &&*+&&*+ &&&& , , , , , ,  "  " !! −−+ −+−= =⇒ && !! =⇒ Ba ̀ i 5. HAI HI ̀ NH BĂ ̀ NG NHAU Bài 05. HAI HÌNH BẰNG NHAU ,-    .    /  0 #   $                      %    " (    /  0   . (  0  1 /  0  . %    /  0  ,2     ,/  0  3    1.   /  0  30  . Bài 05. HAI HÌNH BẰNG NHAU A B C D Bài 05. HAI HÌNH BẰNG NHAU Ba ̀ i tâ ̣ p. & $  $  !(   !(  , -4/  10   5  ,67,3 A B C D O A’ B’ C’ D’ O’ 8  9  1:5;<(=2  :$5$;$<$(=$1.   :5>:$5$>;<>;$<$2  :<>:$<$>5;>5$;$ ?.  0  1:5;/  00  1:$5$;$ ?.  1.        "@"+:5;*>:$5$;$     40  =1  :;  40  =$1  :$;$   =  40  1  5<2  =$  40  1  5$<$ "1  0  <  <$ (  "  :5;<  :$5$;$<$)1.   /  0 Bài 05. HAI HÌNH BẰNG NHAU Ba ̀ i tâ ̣ p. & $  $  !(   !(  , -4/  10   5  ,37,3 O 1 O 2 O 3 I 1 I 2 I 3 -0  1=  = , = 3 /  00  1 A  A , A 3 %1.        "  =  )  = , )= 3   A  )A , )A 3  ?.  "1  0  9  04.   +=  )4  *)+= , )4 , *)+= 3 )4 3 *(  9     9  04.  +A  )4  *)+A , )4 , *)+A 3 )4 3 * -9  1             ,  Bài 05. HAI HÌNH BẰNG NHAU Ba ̀ i tâ ̣ p. & $  $  !(   !(  , -4/  10  