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A tree is broken by wind, the upper part...

A tree is broken by wind, the upper part touches the ground at a point 10 m from the foot of the tree and makes an angle 45° with the ground. The entire length of the tree was

A

15 m

B

20 m

C

`10 (sqrt2-1)m`

D

`10(sqrt2+1) m.`

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The upper part of a tree broken over by the wind makes an angle of 30^(@) with the ground and the distance from the root to the point where the top of the tree touches the ground is 10 m. The height of the tree is:

    A
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    B
    18.3 m
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    D
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    A
    24 m
    B
    6m
    C
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    D
    none of the above

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