railway DFCCIL MTS 2025 Mock Test Series Quantitative Aptitude Geometry Triangles, Congruence and Similarity

ΔABC তে, AC = BC এবং ∠ABC = 50°, BC বাহুটি D তে প্রসারিত হয় এমনভাবে যাতে BC = CD তাহলে ∠BAD এর মান হয়:

1
80°
2
40°
3
90°
4
50°
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