What is the length of the wooden strip required to frame a photograph of length and breadth 32 cm and 21 cm respectively?
It is given in the question that,
Length of photograph, l = 32 cm
Breadth of photograph, b= 21 cm
Therefore,
Length of wooden strip required = Perimeter of Photograph
= 2 × (l + b)
= 2 × (32 + 21)
= 2 × 53
= 106 cm