Pertanyaan

Diketahui segitiga KLM dengan panjang LM = 10 cm sudut L = 4 5 ∘ dan sudut K = 6 0 ∘ maka panjang sisi KM ....

Diketahui segitiga KLM dengan panjang $LM = 10 cm sudut L = 4 5^{\circ} dan sudut K = 6 0^{\circ}$ maka panjang sisi KM ....

$fraction numerator 10 square root of 6 over denominator 3 end fraction$
$fraction numerator 20 square root of 6 over denominator 3 end fraction$

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A. Acfreelance

Master Teacher

Mahasiswa/Alumni UIN Walisongo Semarang

Jawaban terverifikasi

Jawaban

jawabannya adalah A

Pembahasan

Menggunakan aturan sinus yaitu Oleh karena itu jawabannya adalah A

Menggunakan aturan sinus yaitu

$table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator sin 45 degree over denominator km end fraction end cell equals cell fraction numerator sin 60 degree over denominator 10 end fraction end cell row cell fraction numerator begin display style 1 half end style square root of 2 over denominator km end fraction end cell equals cell fraction numerator begin display style 1 half end style square root of 3 over denominator 10 end fraction end cell row cell fraction numerator begin display style fraction numerator square root of 2 over denominator 2 end fraction end style over denominator km end fraction end cell equals cell fraction numerator begin display style fraction numerator square root of 3 over denominator 2 end fraction end style over denominator 10 end fraction end cell row cell 10 cross times fraction numerator square root of 2 over denominator 2 end fraction end cell equals cell km cross times fraction numerator square root of 3 over denominator 2 end fraction end cell row cell 5 square root of 2 end cell equals cell fraction numerator square root of 3 over denominator 2 end fraction km end cell row cell 5 square root of 2 cross times fraction numerator 2 over denominator square root of 3 end fraction end cell equals km row cell fraction numerator 10 square root of 2 over denominator square root of 3 end fraction end cell equals km row cell fraction numerator 10 square root of 2 over denominator square root of 3 end fraction cross times fraction numerator square root of 3 over denominator square root of 3 end fraction end cell equals km row cell fraction numerator 10 square root of 6 over denominator 3 end fraction end cell equals km end table$

Oleh karena itu jawabannya adalah A