A steel pole is 10 m high. To keep the p...

A steel pole is 10 m high. To keep the pole upright one end of a steel wire is tied to the top of the pole while the other end has been fixed on the ground. If the steel wire makes an angle of 45 with the horizontal through the base point of the pole, find the lenght of the steel wire is

`10 sqrt 3 m`

`10 sqrt 2 m`

`15 sqrt 2 m`

`8 sqrt 2 m`

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