1.

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 of45^(@)with the ground . The entire length of the tree is

Answer»

15 metres
20 metres
` 10 ( 1+ SQRT2) ` metres
` 10 ( 1+ (sqrt3)/(2))` metres

ANSWER :C


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