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In the following figure, \(BLUE\) is a parallelogram with \(O\) is the point where the diagonals meets and \(OU = 22, OE = 13, OL = n-6\) and \(OB = m-n\).  Also, determine the diagonal values.
 
EX_12_1.png
 
1. The value of '\(m\)' \(=\)
 
2. The value of '\(n\)' \(=\) .
 
3. Measure of the diagonal \(BU\) \(=\) .
 
4. Measure of the diagonal \(LE\) \(=\) .