SELECT * FROM question_mgmt as q WHERE id=9768 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 from a point on the ground the angles of elevatio

Question:

From a point on the ground, the angles of elevation of the bottom and the top of a transmission tower fixed at the top of a 20 m high building are 45° and 60° respectively. Find the height of the tower.

Answer:

         Let AB = x m be the height of transmission tower

         BC = 20 m height of building       (given)

         Angle of elevation from top of tower = 600 

         Angle of elevation from bottom of tower = 45o 

         To find : height of tower i.e., AB


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!=9768 ORDER BY views desc, last_viewed_on desc limit 0,10
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!=9768 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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