The length of 1 diagonal of a rhombus is less than the second diagonal is 30sq.cm.find the the length of diagonal.
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Let the diagonals of the rhombus be a and bthen, b - a = 4 or b = (4 + a) Area of rhombus = 12ab = 30 a (4 + a) = 60 4a + a2 = 60 a2 + 4a - 60 ...
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