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Tentukan panjang sisi yang ditunjukkan oleh huruf ...

Tentukan panjang sisi yang ditunjukkan oleh huruf pada setiap gambar di bawah.

d.

 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell angle b end cell equals cell 180 degree minus 30 degree minus 90 degree end cell row blank equals cell 60 degree end cell row blank blank blank row cell fraction numerator b over denominator sin space angle b end fraction end cell equals cell fraction numerator c over denominator sin space angle c end fraction end cell row cell fraction numerator 17 square root of 2 over denominator sin space 60 end fraction end cell equals cell fraction numerator c over denominator sin space 30 end fraction end cell row cell fraction numerator 17 square root of 2 over denominator begin display style 1 half square root of 3 end style end fraction end cell equals cell fraction numerator c over denominator begin display style 1 half end style end fraction end cell row c equals cell fraction numerator 17 square root of 2 over denominator begin display style square root of 3 end style end fraction end cell row blank equals cell fraction numerator 17 square root of 6 over denominator begin display style 3 end style end fraction end cell row blank blank blank row cell fraction numerator b over denominator sin space angle b end fraction end cell equals cell fraction numerator d over denominator sin space angle d end fraction end cell row cell fraction numerator 17 square root of 2 over denominator sin space 60 end fraction end cell equals cell fraction numerator d over denominator sin space 90 end fraction end cell row cell fraction numerator 17 square root of 2 over denominator begin display style 1 half square root of 3 end style end fraction end cell equals cell fraction numerator d over denominator begin display style 1 end style end fraction end cell row d equals cell fraction numerator 34 square root of 6 over denominator 3 end fraction end cell end table end style

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