1-2-3 Magic in the Classroom: Effective Discipline for Pre-K Through Grade 8, 2nd Edition

1-2-3 Magic in the Classroom: Effective Discipline for Pre-K Through Grade 8, 2nd Edition

Matematika tolong dijawab ya kakak​

tolong dijawab ya kakak​

Detail jawaban

Matapelajaran : Matematika.

Kelas : VII/7.

Semester : II

Materi : Bab.7 - Garis dan Sudut

Penjelasan dengan langkah-langkah:

x + 20° = 180°

x = 180° - 20°

x = 160°

Jadi, nilai x adalah 160°

cari x :

x + 29° = 180°

x = 180° – 20°

x = 160°

semoga membantu

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