E is the midpoint of diagonal BD of Parallelogram ABCD.If the point E is joined to a point F on DA such that DF= 1/3 of DA ,then ratio of th area of triangle DFE to area of quadrilateral ABEF is
a) 1 : 3 b) 1 : 4 c) 1 : 5 d)2 : 5
In the given figure, O is the centre and AE is the diameter of the semicircleABCDE. If AB = BC and AEC = 50, then find(a) CBE (b) CDE (c) AOB. Prove that BO||CE.
three students Priyanka,Sania and David are protesting against killing innocent animals for commercial purposes in a circular park of radius 20m,they are standing at equal distances on its boundary by holding banners in their hands.
which of the following cannot br empirical probability of an event?
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