Answer:
C
Step-by-step explanation:
let hypotenuse of triangle with 60°=y

Answer:
rate of the boat in still water: 81 km/h
rate of the current: 18 km/h
Step-by-step explanation:
Sense it is metal math you do 6 x 200
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Answer:
A
Step-by-step explanation:
2 is the only acute angle meaning less than 90 degrees.