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Perhatikan gambar berikut ini! Jumlah ∠ A + ∠ B + ∠ C + ⋯ + ∠ G + ∠ H = … + 3 m u .

Perhatikan gambar berikut ini!

 

  1. begin mathsize 14px style 360 degree end style 

  2. begin mathsize 14px style 480 degree end style 

  3. begin mathsize 14px style 720 degree end style 

  4. begin mathsize 14px style 1.440 degree end style 

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A. Nadhira

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

Perhatikan sudut pada gambar di bawah ini. Ingat bahwa jumlah sudut dalam pada segiempat sembarang adalah 360°. Sehingga,

Perhatikan sudut pada gambar di bawah ini.

Ingat bahwa jumlah sudut dalam pada segiempat sembarang adalah 360°. Sehingga,

begin mathsize 14px style angle a plus angle b plus angle c plus angle d equals 360 degree end style 

begin mathsize 14px style Pertama comma space perhatikan space hubungan space antara space angle straight A comma angle straight D comma angle straight E comma angle straight H space dengan space angle straight a comma angle straight b comma angle straight c comma angle straight d. end style 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell angle a plus angle b plus angle c plus angle d end cell equals cell 360 degree end cell row cell open parentheses 180 degree minus angle straight A close parentheses plus open parentheses 180 degree minus angle straight D close parentheses plus open parentheses 180 degree minus angle straight E close parentheses plus open parentheses 180 degree minus angle straight H close parentheses end cell equals cell 360 degree end cell row cell 720 degree minus open parentheses angle straight A plus angle straight D plus angle straight E plus angle straight H close parentheses end cell equals cell 360 degree end cell row cell angle straight A plus angle straight D plus angle straight E plus angle straight H end cell equals cell 720 degree minus 360 degree end cell row cell angle straight A plus angle straight D plus angle straight E plus angle straight H end cell equals cell 360 degree end cell row blank blank blank row blank blank blank row blank blank blank end table end style 

begin mathsize 14px style Kedua comma space perhatikan space hubungan space antara space angle straight B comma angle straight C comma angle straight F comma angle straight G space dengan space angle straight a comma angle straight b comma angle straight c comma angle straight d. end style

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell angle a plus angle b plus angle c plus angle d end cell equals cell 360 degree end cell row cell open parentheses 180 degree minus angle straight B close parentheses plus open parentheses 180 degree minus angle straight C close parentheses plus open parentheses 180 degree minus angle straight F close parentheses plus open parentheses 180 degree minus angle straight G close parentheses end cell equals cell 360 degree end cell row cell 720 degree minus open parentheses angle straight B plus angle straight C plus angle straight F plus angle straight G close parentheses end cell equals cell 360 degree end cell row cell angle straight B plus angle straight C plus angle straight F plus angle straight G end cell equals cell 720 degree minus 360 degree end cell row cell angle straight B plus angle straight C plus angle straight F plus angle straight G end cell equals cell 360 degree end cell row blank blank blank row blank blank cell Jadi comma end cell row cell straight angle straight A plus straight angle straight D plus straight angle straight E plus straight angle straight H plus straight angle straight B plus straight angle straight C plus straight angle straight F plus straight angle straight G end cell equals cell 360 degree plus 360 degree end cell row cell straight angle straight A plus straight angle straight B plus straight angle straight C plus horizontal ellipsis plus straight angle straight G plus straight angle straight H end cell equals cell 720 degree end cell row blank blank blank end table end style 

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