1 . Δabc এর ∠A = 45°, ∠B = 30° হলে, ∠C এর মান কত?
Answer: Option C
Explanation:
শর্ত মতে, ∠C = 180° - (∠A + ∠B)
= 180° - (45° + 30°)
= 180º - 75°
= 105°
Data added successfully.