From the given information we can say that,
Assume width of river =PQ=(x+y)m
Height of tree will be (AB) m
Thus, in ΔABP
tan=AB/ BP
In ΔABQ,
tan =AB/ BQ
Then, (x+y)
Hence, the width of the river is m
From the given information we can say that,
Assume width of river =PQ=(x+y)m
Height of tree will be (AB) m
Thus, in ΔABP
tan=AB/ BP
In ΔABQ,
tan =AB/ BQ
Then, (x+y)
Hence, the width of the river is m