In a rhombus whose area is 144 sq.cm on of its diagonals is twice as long as the other. The lengths of its diagonals are:_________? September 23, 2025 by Admin A. 24 cm,48cm B. 12cm,24cm C. 6√2cm,12√2cm D. 6cm,12cm ✅ The correct answer is option B. 12cm,24cm.