Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Geometry Triangles, Congruence and Similarity
In Δ ABC, ∠A = x and the bisectors of ∠B and ∠C meet at D. If ∠BDC = 108°, then what is the value of x ?
1
36°
2
54°
3
45°
4
More than one of the above
5
None of the above