7. A person observing two banks of a river at angles of depression 0 ande, 0, 0from the top
of a tree of hieght 'h' which is at a side of the river. The width of the river is 'd'. Draw diagram
for this data
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Step-by-step explanation:
Let PQ be the three situated at one of the sides of the river .
Let R and S be the two banks of the river .
From the top the tree i.e. from point P,the angle of depression at points R and S are
and
respectively .
It has been given that height of the tree is h and the width of the river is d.
Hence, we have
RS = d
PQ = h
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