Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Geometry Quadrilaterals
Side DC of a parallelogram ABCD is produced to a point E such that ∠BCE = 70°. If ∠DAB = x, ∠ADB = 40°, ∠DBC = y and ∠BDC = z, then value of x + y + z is equal to :
1
140°
2
150°
3
180°
4
More than one of the above
5
None of the above