ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If DBC = 70°, BAC is 30°, find BCD. Further, if AB = BC, find ECD.
Sir you do wrong in q6 of ex 4.2 class 10 the answer was 15 but you typed 13 as cost of article is 2x+3 but you take 2x+1 so please fix it
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