Roboguru

Besarnya sudut  dari segitiga berikut adalah ....

Pertanyaan

Besarnya sudut theta dari segitiga berikut adalah ....

  1. 90 degree 

  2. 60 degree 

  3. 55 degree 

  4. 50 degree 

  5. 45 degree 

Pembahasan Soal:

table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 4 square root of 6 over denominator sin space 60 degree end fraction end cell equals cell fraction numerator 8 over denominator sin space theta end fraction end cell row cell fraction numerator 4 square root of 6 over denominator begin display style 1 half end style square root of 3 end fraction end cell equals cell fraction numerator 8 over denominator sin space theta end fraction end cell row cell sin space theta times 4 square root of 6 end cell equals cell 8 times 1 half square root of 3 end cell row cell sin space theta times 4 square root of 6 end cell equals cell 4 square root of 3 end cell row cell sin space theta end cell equals cell fraction numerator 4 square root of 3 over denominator 4 square root of 6 end fraction end cell row cell sin space theta end cell equals cell square root of 3 over 6 end root end cell row cell sin space theta end cell equals cell square root of 1 half end root end cell row cell sin space theta end cell equals cell fraction numerator 1 over denominator square root of 2 end fraction end cell row cell sin space theta end cell equals cell fraction numerator 1 over denominator square root of 2 end fraction times fraction numerator square root of 2 over denominator square root of 2 end fraction end cell row cell sin space theta end cell equals cell 1 half square root of 2 end cell row cell sin space theta end cell equals cell sin space 45 degree end cell row theta equals cell 45 degree space end cell end table 

Jadi, jawaban yang tepat adalah E.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 19 Mei 2021

Ruangguru

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved