Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Geometry Triangles, Congruence and Similarity
In the figure AB || DE, angle BAD = 20° and angle DAE = 30°, and DE = EC. Then ∠ECD = ?
1
60°
2
65°
3
70°
4
More than one of the above.
5
None of the above