4x + 5x + 72 = 180
9x = 180 - 72
9x = 108
x = 108 : 9
x = 12
4x = 4(12) = 48°
5x = 5(12) = 60°
Penjelasan dengan langkah-langkah:
4x°+5x°+72°=180°
9x°=180°-72°
9x°=108°
x°=108°/9
x°=12°
jadi Nilai X adalah 12°
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4x + 5x + 72 = 180
9x = 180 - 72
9x = 108
x = 108 : 9
x = 12
4x = 4(12) = 48°
5x = 5(12) = 60°
Penjelasan dengan langkah-langkah:
4x°+5x°+72°=180°
9x°=180°-72°
9x°=108°
x°=108°/9
x°=12°
jadi Nilai X adalah 12°