a 40° 0 0 hitung besar < AOB a
Penjelasan dengan langkah-langkah:
a.
∠AOB + ∠BOC + ∠COD = 90°
∠AOB + 25° + 40° = 90°
∠AOB = 90° - 40° - 25° = 25°
∠KOL + ∠MOL = 90°
4x + 5x = 90°
9x = 90°
x = 90°/9 = 10°
∠MOL = 5x = 5(10°) = 50°
Mohon maaf kalau salah tolong dikoreksi. Semoga bermanfaat ^-^
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