Consider a ladder which makes an angle 60^o with a wall of height 10 m and its top just touches the top of the wall. If the ladder is now rotates in such a way that its top now touches the top of the opposite wall which has a height of ¹⁰/_√3 m. What is the angle by which the ladder is rotated?

45^o

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60^o

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90^o

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30^o

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Solution

The correct option is C
90^o

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Consider a ladder which makes an angle 60o with a wall of height 10 m and its top just touches the top of the wall. If the ladder is now rotates in such a way that its top now touches the top of the opposite wall which has a height of 10/√3 m. What is the angle by which the ladder is rotated?

The correct option is C 90o

The correct option is C
90^o