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

A tree is broken by wind, its upper part touches the ground at a point 10 metres from the foot of the tree and makes an angle of `45^@` with the ground . The entire length of the tree is

15 m

20 m

`10 (sqrt(2) + 1)` m

`5 (sqrt(3) + 2)` m

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MCGROW HILL PUBLICATION-HEIGHTS AND DISTANCES -SOLVED EXAMPLES (LEVEL 1 ( SINGLE CORRECT ANSWER TYPE QUESTIONS ))

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