Jawaban:
a. 10°
Penjelasan dengan langkah-langkah:
180° = 4x + 15° + 8x + 45°
180° - 15° - 45° = 12x
120° = 12x
10° = x
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Jawaban:
a. 10°
Penjelasan dengan langkah-langkah:
180° = 4x + 15° + 8x + 45°
180° - 15° - 45° = 12x
120° = 12x
10° = x