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boating across a river, the current moves you downstream. instead of going directly across the river, the boat moves at a 25 degree angle. if the river is 375 feet across, how far will you end up downstream

Answer :

Edufirst
You can build a righ triangle with:

- angle 25°
- opposite side to 25°: 375 feet (across distance)
- adjacent side to 25°: x, the unknown information

Then, tan(25°) = 375/x ⇒ x = 375 feet / tan(25°) = 375 feet/ 0.466 = 804 feet

tan(25°) = 375/x ⇒ x = 375 feet / tan(25°) = 375 feet/ 0.466 = 804 feet


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