MCQ Practice Mathematics 📖 ABC ত্রিভুজে AB = AC, ∠A = 80°, ∠B = কত? A ১০০° B ৪০° C ৫০° D ৬০° 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 PreviousABC সমকোণী ত্রিভুজের ∠B = ৯০° হলে- NextABC ত্রিভুজে AB = AC এবং ∠C = 30° হলে ∠A এর পরিমাণ-
