Jawaban:
b. 13°
Penjelasan dengan langkah-langkah:
(2x + 7°) + (4x + 5°) = 90°
6x + 12° = 90°
6x = 90° - 12°
6x = 78°
x = 78°/6
x = 13°
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Jawaban:
b. 13°
Penjelasan dengan langkah-langkah:
(2x + 7°) + (4x + 5°) = 90°
6x + 12° = 90°
6x = 90° - 12°
6x = 78°
x = 78°/6
x = 13°