The perimeter of the photo will be 36 inches.
What is the perimeter?
Perimeter is the addition of an external measure of sides it will always positive.
A perimeter is a length and has a degree of the unit as one.
For example
Perimeter of square = side + side + side + side
The perimeter of the circle = πd where d is the dia of the circle.
P = 2(l+w)
P = 2(10 + 18 )
p = 2(18)
P = 36
The perimeter is 36 inches.
Hence "The perimeter of the photo will be 36 inches".
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