Respuesta :
so hmm check the picture below
thus, the "b" side will be 6-2a long
we know the perimeter of the triangular path is 10
thus -> a + (a + 4) + (6 - 2a) = 10
solve for "a"
thus, the "b" side will be 6-2a long
we know the perimeter of the triangular path is 10
thus -> a + (a + 4) + (6 - 2a) = 10
solve for "a"

Answer:
The total of the length of all sides (0.65 + 4.65 + 4.7) = 10 miles.
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