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Mathematics
Quadrilaterals
CBSE
Class 9
Mathematics
Class 9 - Mathematics
Quadrilaterals
MCQ
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1.
In diagonals of a parallelogram
ABCD
intersect at O. If ∠
BOC
= 90° and ∠
BDC
= 50°, then ∠
OAB
=
a.
40°
b.
50°
c.
10°
d.
90°
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