Penjelasan dengan langkah-langkah:
3A
4x = 73 + 47
4x = 120
x = 30°
3B
QPR = 180 - (180 - 107) - 47 = 60°
PQR = 180 - 107 = 73°
4
4a + 5a + 58 = 180
9a = 122
a = 13,5556
Mapel : Matematika
Kelas : 7
Materi : GarSud
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Penjelasan dengan langkah-langkah:
3A
4x = 73 + 47
4x = 120
x = 30°
3B
QPR = 180 - (180 - 107) - 47 = 60°
PQR = 180 - 107 = 73°
4
4a + 5a + 58 = 180
9a = 122
a = 13,5556
Mapel : Matematika
Kelas : 7
Materi : GarSud