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Tentukan panjang sisi yang ditunjukkan oleh huruf pada setiap gambardi bawah.

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F. Ayudhita

Master Teacher

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Pembahasan

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a. b. c. gunakan perbandingan d.gunakan perbandingan e.gunakan perbandingan f.gunakan perbandingan

a. 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight a squared plus straight a squared end cell equals cell square root of 32 squared end cell row cell 2 straight a squared end cell equals 32 row cell straight a squared end cell equals 16 row straight a equals cell plus-or-minus square root of 16 end cell row straight a equals 4 end table end style 

b. 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight a squared end cell equals cell 72 squared plus 72 squared end cell row blank equals cell 2 cross times 72 squared end cell row straight a equals cell plus-or-minus square root of 2 cross times 72 squared blank end root end cell row straight a equals cell 72 square root of 2 end cell row blank blank blank end table end style 

c. gunakan perbandingan begin mathsize 14px style 1 colon square root of 3 colon 2 end style

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight b over 16 end cell equals cell fraction numerator square root of 3 over denominator 2 end fraction end cell row straight b equals cell fraction numerator 16 square root of 3 over denominator 2 end fraction end cell row straight b equals cell 8 square root of 3 end cell row blank blank blank end table end style 

 

d.gunakan perbandingan begin mathsize 14px style 1 colon square root of 3 colon 2 end style

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator straight c over denominator 17 square root of 2 end fraction end cell equals cell fraction numerator 1 over denominator square root of 3 end fraction end cell row cell square root of 3 straight c end cell equals cell 17 square root of 2 end cell row straight c equals cell fraction numerator 17 square root of 2 over denominator square root of 3 end fraction cross times fraction numerator square root of 3 over denominator square root of 3 end fraction end cell row straight c equals cell fraction numerator 16 square root of 6 over denominator 3 end fraction end cell end table end style

 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator straight d over denominator 17 square root of 2 end fraction end cell equals cell fraction numerator 2 over denominator square root of 3 end fraction end cell row cell square root of 3 straight d end cell equals cell 34 square root of 2 end cell row straight d equals cell fraction numerator 34 square root of 2 over denominator square root of 3 end fraction cross times fraction numerator square root of 3 over denominator square root of 3 end fraction end cell row straight d equals cell fraction numerator 34 square root of 6 over denominator 3 end fraction end cell end table end style 

 

e. gunakan perbandingan begin mathsize 14px style 1 colon square root of 3 colon 2 end style

begin mathsize 14px style straight b over 5 equals fraction numerator square root of 3 over denominator 1 end fraction straight b equals 5 square root of 3 end style 

 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight a over 5 end cell equals cell 2 over 1 end cell row straight a equals 10 row blank blank blank end table end style

 

f.gunakan perbandingan begin mathsize 14px style 1 colon square root of 3 colon 2 end style

undefined 

 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight e over 20 end cell equals cell fraction numerator square root of 3 over denominator 2 end fraction space end cell row straight e equals cell fraction numerator 20 square root of 3 over denominator 2 end fraction end cell row straight e equals cell 10 square root of 3 end cell end table end style 

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Aghnia Nia

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