A ladder makes an angle of 60^0 with the...

A ladder makes an angle of `60^0` with the ground when placed against a wall. If the foot of the ladder is 2m away from the wall, then the length of the ladder (in metres) is (a) `4/(sqrt(3))` (b) `4/(sqrt(3))` (c) `2sqrt(2)` (d) `4`

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