pole 26 m long rests against the vertical wall at the angle of 30 with ground find the distance of the foot from the wall. height of wall,where pole will touch the wall.
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10th
Maths
Some Applications of Trigonometry
Heights and Distances
A pole 15 m long rests agai...
MATHS
A pole 15 m long rests against a vertical wall at an angle of 30
∘
with the ground How high up the wall does the pole reach?
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ANSWER
sin30
∘
=
15
x
or x=15sin30
=
2
15
7.5
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