at a distance of 50 meter from foot of tower the elevation of its top is 30 degree if the possible error in measuring the distance and elevation are 2cm and 0.05 degrees find approximate error in calculating the height
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Answer:
Let the height of the tower be h m.
From △PAB,tan30
o
=
PA
AB
3
1
=
50
h
h=
3
50
Hence, the height of the tower is
3
50
m.
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