A river is flowing with a speed of 1 km/hr. A swimmer wants to go to point C starting from A. He swims with a speed of 5 km/hr, at angle $θ$ w.r.t. the river flow . If AB = BC = 400m. Then find the value of $θ$ (in degree)

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A river is flowing with a speed of 1 km/hr. A swimmer wants to go to point C starting from A. He swims with a speed of 5 km/hr, at angle

θ

w.r.t. the river flow . If AB = BC = 400m. Then find the value of

θ

(in degree)

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Text solutionVerified

tan θ = \frac{BC}{A B} tan θ = \frac{400}{400} tan θ = 1 θ = 45 de g ree

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Question Text	A river is flowing with a speed of 1 km/hr. A swimmer wants to go to point C starting from A. He swims with a speed of 5 km/hr, at angle $θ$ w.r.t. the river flow . If AB = BC = 400m. Then find the value of $θ$ (in degree)
Answer Type	Text solution:1
Upvotes	151