37. Sachin is a fireman worker. When he throws water on the fire of burning house, he notice that one child is crying for getting help. At once Sachin tied a rope at the top of a pole near the burning house and its other end tied at the ground. He climbed the rope and from the top of the pole picked the child and save their life. Suppose the height of the pole is 20 m and the angle made by the rope with ground is 60' (i) Calculate the distance covered by the fireman to reach the top of the pole. (ii) Find the distance between the foot of the pole and where he tied the rope at the ground.
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