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Diketahui △KLM≅△PQR, besar ∠K=(2x+23)∘, , dan . Hitunglah: b.  besar ∠M.

Pertanyaan

Diketahui begin mathsize 14px style triangle KLM approximately equal to triangle PQR end style, besarbegin mathsize 14px style space angle straight K equals left parenthesis 2 x plus 23 right parenthesis degree end style, Error converting from MathML to accessible text., dan Error converting from MathML to accessible text.. Hitunglah:

b.  besar Error converting from MathML to accessible text.

  1. ...

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L. Rante

Master Teacher

Mahasiswa/Alumni Universitas Negeri Makassar

Jawaban terverifikasi

Pembahasan

KLM kongruen dengan PQR, maka sudut M sama besar dengan sudut P (bersesuaian) 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell angle straight K plus angle straight L plus angle straight M end cell equals cell 180 degree space end cell row cell open parentheses 2 x plus 23 degree close parentheses plus open parentheses x plus 35 degree close parentheses plus open parentheses 3 x minus 2 degree close parentheses end cell equals cell 180 degree end cell row cell 6 x plus 56 degree end cell equals cell 180 degree end cell row cell 6 x end cell equals cell 124 degree end cell row x equals cell 124 over 6 end cell row x equals cell 20 comma 7 degree end cell row blank blank blank end table end style

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell angle straight M end cell equals cell 3 x minus 2 degree end cell row blank equals cell 3 open parentheses 20 comma 7 degree close parentheses minus 2 degree end cell row blank equals cell 62 comma 1 degree minus 2 degree end cell row cell angle straight M end cell equals cell 60 comma 1 degree end cell end table end style

Jadi besar sudut M adalah begin mathsize 14px style 60 comma 1 degree end style

 

 

58

5.0 (2 rating)

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