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Verified answer
✔ Mapel = Matematika✔ Kelas = 7 SMP
✔ Materi = Garis dan Sudut
✔ Kata kunci = Sudut
Penyelesaian :
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3p° - 26° = p° + 78°
3p° - p° = 78° + 26°
2p° = 104°
p = 104°/2°
p = 52°
Jawabannya C.
Note :
Kebapa sudut sudut yang diketahui itu nilainya sama? Karena mereka saling bertolak belakang dan ketika ada 2 sudut yang bertolak belakang, maka sudutnya sama.
Semoga Membantu :)