The length of the fence around the triangular land is equal to 180 meters.
The perimeter of a figure is the sum of the side lengths of the figure. Triangles have three sides and we need to determine the perimeter of the triangular land. If we know that l₁ = 55 meters, l₂ = 60 meters and l₃ = 65 meters, then the perimeter of the figure is:
p = l₁ + l₂ + l₃
p = 55 m + 60 m + 65 m
p = 180 m
The length of the fence around the triangular land is equal to 180 meters.
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