Answer:
C. 6.9 miles
Explanation:
Use Pythagoras theorem!
a^2 = b^2 + c^2 where a is the hypothenuse
rearrange to find x
a^2 - b^2 = c^2
so 8^2 - 4^2 = x^2
64 - 14 = 48
√48 = 6.9 miles :)
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