Question

and the angle
f the height of the
The angle of elevation of the top of a chimney from the top of a tower is 60° and the
of depression of the foot of the chimney from the top of the tower is 30°. If the height
tower is 40 m, find the height of the chimney. According to pollution control norms, the
minimum height of a smoke emitting chimney should be 100 m. State if the heightofth
above mentioned chimney meets the polution norms. What value is discussed in
question?
42. Two ships are there in the sea on either side of a lighthouse in such away that the ships ana
the light house are in the same straight line. The angles of depression of two ships an
observed from the top of the lighthouse are 60° and 45° respectively. If the height of the light
house is 200 m, find the distance between the two ships. (Use V3 = 1.73)
[CBSE 2014
jasan full​

Answer 1

answers for both the questions is given in the photograph..