state gov Rajasthan Gram Vikas Adhikari (VDO) Mock Test 2021 Quantitative Aptitude Geometry Quadrilaterals
The diagonals of the rectangle ABCD intersect at O. If ∠COD = 78°, then ∠OAB is
1
78°
2
51°
3
61°
4
68°
The diagonals of the rectangle ABCD intersect at O. If ∠COD = 78°, then ∠OAB is