\(\text{Length of wooden strip} = \text{Perimeter of photograph}\)
\(\text{ Perimeter of photograph }\)= \(2 \times (length + breadth)\)
= \(2 (32 + 21) \)
= \(2 \times 53\) \(cm\)
= \(106\) \(cm\)
Thus, the length of the wooden strip required is equal to \(106\) \(cm\).