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A cyclist moves in such a way that he takes 72°turn towards left after travelling 200 m in straightline. What is the displacement when he takes justtakes fourth turn? |
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Answer» The answer will be 200m .he turns after every 200m making an angle of 72° .by the time he take fifth turn he would have made a regular polygon(polygons having equal side and angles )so his displacement will be the last side of polygon form which is going to be 200m.Each of angle of polygon is 72°and in this case side is 200m. |
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