SOLUTION: A boat leaves a shipping dock and travels 72 miles due west then 99 miles due north. Which is closest to the straight line distance between the boat and the shipping dock? a. 2

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Question 580499: A boat leaves a shipping dock and travels 72 miles due west then 99 miles due north. Which is closest to the straight line distance between the boat and the shipping dock?
a. 27 miles
b. 68 miles
c. 122 miles
d. 170 miles
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +d+ = distance to dock
+d%5E2+=+72%5E2+%2B+99%5E2+
+d%5E2+=+5184+%2B+9801+
+d%5E2+=+14985+
+d+=+sqrt%28+14985+%29+
+d+=+122.413+
The answer is (c)