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Pertanyaan

Pada space segitiga space PQR space panjang space sisi space PQ equals 12 space cm comma space angle straight P equals space 30 degree space comma space dan space angle straight R equals space 45 degree. space Panjang space sisi space QR space adalah space...

  1. 2 square root of 2

  2. 3 square root of 2

  3. 4 square root of 2

  4. 6 square root of 2

  5. 8 square root of 2

H. Nufus

Master Teacher

Mahasiswa/Alumni Universitas Negeri Surabaya

Jawaban terverifikasi

Pembahasan

fraction numerator QR over denominator sin space straight P end fraction equals fraction numerator PQ over denominator sin begin display style space end style begin display style straight R end style end fraction  fraction numerator begin display style QR end style over denominator begin display style sin space 30 degree end style end fraction equals fraction numerator begin display style 12 end style over denominator begin display style sin space 45 degree end style end fraction  fraction numerator begin display style QR end style over denominator begin display style fraction numerator begin display style 1 end style over denominator 2 end fraction end style end fraction equals fraction numerator begin display style 12 end style over denominator begin display style 1 half square root of 2 end style end fraction  QR square root of 2 equals 12  QR equals fraction numerator 12 over denominator square root of 2 end fraction straight x fraction numerator square root of 2 over denominator square root of 2 end fraction  equals fraction numerator 12 square root of 2 over denominator 2 end fraction  equals 6 square root of 2

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Diketahui segitiga MNO, dengan panjang MN = 24 cm, besar sudut MON = 105 dan besar sudut OMN = 30, hitung panjang sisi NO.

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