SELECT * FROM question_mgmt as q WHERE id=9762 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=6 AND chapterId=276 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th mathematics Some Applications of Trigonometry a circus artist is climbing a 20 m long rope whic

Question:

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° (see Fig. 9.11).

Answer:

         Let AB = hm be the height of pole and length of rope is 20 m tied from the

         Top of tower AB and = 30o                                                                     

      In right   Δ ABC, we have 

               


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SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='9' AND subId='6' AND ex_no!=0 AND status=1 and id!=9762 ORDER BY last_viewed_on desc limit 0,10
Q:

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  • Answered by Ekta Mehta
  • 4 months ago

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  • Answered by Ekta Mehta
  • 4 months ago

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