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angle of elevation of bottom of window 10 metre above ground level is 30. a pole projecting outwards from the bottom of the window makes an angle of 30 with the wall if angle of elevtion of the pole from the same point is 60 find the height of the polewith figure pls


Asked by risheelchheda19 15th January 2018, 4:26 PM
Answered by Expert
use trigo ratios 
numbers in red are found out by calculation
b=90 since perpendicular

Answered by Expert 19th January 2018, 5:44 PM
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