Respuesta :

use the pythagorean theorem:

a^2 + b^2 = c^2

plug in the given values:

0.7^2 + b^2 = 2.5^2

simplify:

0.49 + b^2 = 2.5^2

0.49 + b^2 = 6.25

b^2 = 5.76

b = √5.76

b = 2.4

the answer is 2.4 miles

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