Perimeter of the photo frame is 64 cm.
According to the question
Area of a square photo frame is 256 cm2.
The area of a square is equal to the square of the length of its side and the perimeter of the square is 4 times the length of its side.
Area of the square = side × side = a × a
[tex]a^{2} = 256[/tex]
Side(a) = [tex]\sqrt{256}[/tex] = 16
Side(a) = 16
Perimeter of the photo frame:
Formula for perimeter of a square:
Perimeter p = 4a
p = 4 × 16
p = 64
Perimeter of the photo frame is 64 cm.
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