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A ladder reaches a point on a wall which is 20 m above the gro

Question

A ladder reaches a point on a wall which is 20 m above the ground and its foot is $203$ m away from the ground. The angle made by the ladder with the wall is

9 0^{\circ}

6 0^{\circ}

4 5^{\circ}

3 0^{\circ}

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A ladder reaches a point on a wall which is 20 m above the ground and its foot is

203

m away from the ground. The angle made by the ladder with the wall is

9 mins ago

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Text solutionVerified

Let the angle made by the ladder be

θ

t an θ = \frac{BC}{A B}

= \frac{20 3}{20}

= 3

tan θ = 3

∴

θ = 6 0^{0}

[since

tan 6 0^{0} = 3

]

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Question Text	A ladder reaches a point on a wall which is 20 m above the ground and its foot is $203$ m away from the ground. The angle made by the ladder with the wall is
Answer Type	Text solution:1
Upvotes	150