Venant I

14 November 2024 04:49

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Venant I

14 November 2024 04:49

Pertanyaan

Dan jelaskan kesebangunan pada objek tersebut,mengapa kedua persegi panjang tersebut disebut sebangun?

Dan jelaskan kesebangunan pada objek tersebut,mengapa kedua persegi panjang tersebut disebut sebangun?

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Jawaban terverifikasi

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E. Nur

Master Teacher

15 November 2024 00:35

Jawaban terverifikasi

Pembahasan pada gambar terlampir Dua buah Bangun dikatakan sebangun jika perbandingan sisi-sisi yang bersesuaian sama besar, dan sudut-sudut yang bersesuaian sama panjang Pada pasangan bangun di atas perbandingan sisi-sisi yang bersesuaian tidak sama sehingga kedua bangun dikatakan tidak sebangun.

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Sumber W

Community

Level 72

15 November 2024 06:46

Jawaban terverifikasi

<p>Jawaban :</p><p>a. Perbandingan panjang = 51/73</p><p>b. Perbandingan lebar = 31/43</p><p>&nbsp;</p><p>Syarat dua bangun sebangun adalah</p><ul><li>Sudut-sudut yang bersesuaian besarnya sama</li><li>Sisi-sisi yang bersesuaian mempunyai perbandingan yang sama</li></ul><p>&nbsp;</p><p>31/43 ≠ &nbsp;51/73 maka dua bangun tersebut <strong>tidak sebangun</strong></p>

Jawaban :

a. Perbandingan panjang = 51/73

b. Perbandingan lebar = 31/43

 

Syarat dua bangun sebangun adalah

  • Sudut-sudut yang bersesuaian besarnya sama
  • Sisi-sisi yang bersesuaian mempunyai perbandingan yang sama

 

31/43 ≠  51/73 maka dua bangun tersebut tidak sebangun


Fitri H

Level 1

19 November 2024 13:37

<p>Panjang (p):lebar (I)=7:5</p><p>Panjang - lebar (I)=8</p><p>Pertama kita tentukan terlebih dahulu panjang</p><p>P= p ( perbandingan ) selesain (perbandingan)×selisih p dan l</p><p><i>= &nbsp;7 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 7-5×8</i></p><p><i>=56 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2</i></p><p>=28 cm</p><p>Selanjutnya kita tentukan lebar &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; selisih = p - l &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = p - selisih. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 28 - 8. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 20 cm.</p><p>Keliling persegi panjang tersebut &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;k= 2 ( p + l ). &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=2( 28 + 20 ). &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =2( 48 ). &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 96 cm</p><p>Jadi, keliling persegi panjang tersebut adalah 96 cm.</p><p>&nbsp;</p>

Panjang (p):lebar (I)=7:5

Panjang - lebar (I)=8

Pertama kita tentukan terlebih dahulu panjang

P= p ( perbandingan ) selesain (perbandingan)×selisih p dan l

=  7                                                                               7-5×8

=56                                                                                  2

=28 cm

Selanjutnya kita tentukan lebar                                                       selisih = p - l                                                                           = p - selisih.                                                                 = 28 - 8.                                                                       = 20 cm.

Keliling persegi panjang tersebut                                                          k= 2 ( p + l ).                                                                =2( 28 + 20 ).                                                               =2( 48 ).                                                                       = 96 cm

Jadi, keliling persegi panjang tersebut adalah 96 cm.

 


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