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Garis  berkoordinat di  dan . Setelah dilatasi, ba...

Garis begin mathsize 14px style TU end style berkoordinat di Error converting from MathML to accessible text. dan Error converting from MathML to accessible text.. Setelah dilatasi, bayangan yang terbentuk Error converting from MathML to accessible text. dan Error converting from MathML to accessible text.. Tentukan faktor skala yang digunakan.

  1. ...undefined 

  2. ...undefined 

Jawaban:

Garis begin mathsize 14px style TU end style berkoordinat di Error converting from MathML to accessible text. dan Error converting from MathML to accessible text. dilatasi, bayangan yang terbentuk adalah Error converting from MathML to accessible text. dan Error converting from MathML to accessible text..

Mencari panjang TU

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell stack T U with bar on top end cell equals cell square root of open parentheses x subscript T minus x subscript U close parentheses squared plus open parentheses y subscript T minus y subscript U close parentheses squared end root end cell row blank equals cell square root of open parentheses 4 minus 0 close parentheses squared plus open parentheses 2 minus 5 close parentheses squared end root end cell row blank equals cell square root of open parentheses 4 close parentheses squared plus open parentheses negative 3 close parentheses squared end root end cell row blank equals cell square root of 16 plus 9 end root end cell row blank equals cell square root of 25 end cell row blank equals 5 end table end style 

 

Mencari panjang T'U'

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell stack T apostrophe U apostrophe with bar on top end cell equals cell square root of left parenthesis x subscript T apostrophe end subscript minus x subscript U apostrophe end subscript right parenthesis squared plus left parenthesis y subscript T apostrophe end subscript minus y subscript U apostrophe end subscript right parenthesis squared end root end cell row blank equals cell square root of left parenthesis 6 minus 12 right parenthesis squared plus left parenthesis 3 minus 11 right parenthesis squared end root end cell row blank equals cell square root of left parenthesis negative 6 right parenthesis squared plus left parenthesis negative 8 right parenthesis squared end root end cell row blank equals cell square root of 36 plus 64 end root end cell row blank equals cell square root of 100 end cell row blank equals 10 end table end style

 

Menentukan faktor skala dilatasi

begin mathsize 14px style k equals fraction numerator stack T apostrophe U apostrophe with bar on top over denominator stack T U with bar on top end fraction k equals 10 over 5 k equals 5 end style 

Jadi, besar faktor skala pada dilatasi tersebut adalah 5.

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