from the top of a buliding the angle of elevation of the top of a tower is 60° and the angle of depression of its foot is 45° . determine the height of the tower.
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1
Answer:
the answer was 7( root 3+1)
Answered by
1
Answer:
CE=BD=7m
<BCD=45° (ANGLE OF DEPRESSION)
<ACB=60° (ANGLE OF ELEVATION)
Now in triangle BCD
tan45= BD/BC
1= 7/BC
BC= 7m ------1)
now in triangle ABC
tan60= AB/BC
root3= AB/7m
AB= 7root3
height of tower= AB+BD
==> 7 root3+ 7
==> 7( root3+1 )
pls mark brainliest
hope it helps u
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