MCQ Practice Mathematics 📖 ΔABC এ ∠A = 60°, ∠B এর সমদ্বিখণ্ডক রেখা O বিন্দুতে মিলিত হয়েছে। ∠BOC = কত? A 105° B 110° C 120° D 125° Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up