A circus artist is climbing a 20 m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find the height of the pole, if the angle made by the rope with the ground level is `30^@`.
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We can create a right angle triangle with the given details.
Please refer to video for the figure.
From the figure,
`AC` = Length of rope `=20m`
Height of pole will be `AB`.
Now,`(AB)/(AC) = sin30^@ =>AB = 1/2**20 = 10m`