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Gambar masing masing bangun berikut dan bayangannya terhadap refleksi yang di berikan. segi empat JKLM dengan titik sudut nya di J (2,2) K (7,4) L (9,-2) Dan M (3,-1) terhadap sumbu Y - Akreditasi.org
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Gambar masing masing bangun berikut dan bayangannya terhadap refleksi yang di berikan. segi empat JKLM dengan titik sudut nya di J (2,2) K (7,4) L (9,-2) Dan M (3,-1) terhadap sumbu Y

Akreditasi.org, Hai teman-teman, berikut ini kita akan mencoba membahas salah satu contoh soal Matematika siswa SMP. Nah, silakan dibaca dan dipahami setiap penjelasan yang kita berikan ya teman-teman.

Soal:

Gambar masing masing bangun berikut dan bayangannya terhadap refleksi yang di berikan. segi empat JKLM dengan titik sudut nya di J (2,2) K (7,4) L (9,-2) Dan M (3,-1) terhadap sumbu Y

 

Pembahasan:

Perhatikan penjelasan berikut. 

Jika titik A(x, y) direfleksikan terhadap sumbu-Y, maka bayangannya adalah A'(–x, y). Sehingga: 

J(2,2) ———–→ J'(–2, 2) 

K(7,4) ———–→ K'(–7, 4) 

L(9,-2) ———-→ L'(–9, –2) 

M(3,-1) ———→ M'(–3, –1) 

 

Jadi, gambar bangun dan bayangannya sebagai berikut.

 

Itulah pembahasan soal di atas, semoga bisa membantu teman-teman di dalam memahami materi ini. Jangan lupa terus belajar dan terima kasih.

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