Penjelasan dengan langkah-langkah:
Trigonometri
AP/sin B = PB\sin A
Sin B = AP × sin A/PB
Sin B = √2 × sin 45°/2
Sin B = √2 × (√2/2)/2
Sin B = √2 × √2/4
Sin B = 2/4
Sin B = 1/2
Sin B = Sin 30°
∠ABP = 30° ( D ) ✓
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Verified answer
Penjelasan dengan langkah-langkah:
Trigonometri
AP/sin B = PB\sin A
Sin B = AP × sin A/PB
Sin B = √2 × sin 45°/2
Sin B = √2 × (√2/2)/2
Sin B = √2 × √2/4
Sin B = 2/4
Sin B = 1/2
Sin B = Sin 30°
∠ABP = 30° ( D ) ✓