(Q3).Draw diagram for the following situations:

(i) A person is flying a kite at an angle of elevation α and the length of thread from his hand to kite is 'ℓ'.

(ii) A person observes two banks of a river at angles of depression θ1 and θ2 (θ1 < θ2) from the top of a tree of height 'h' which is at a side of the river. The width of the river is 'd'.

Solution :

(i)

KitePersonL

(ii)

ABCDRiverTreeθ1θ2

In the figure

(i)What is the position of the Person

A
B
C
D

(ii)CD is the height of the tree

True False

(iii)BC is the width of the river

True False

(iv)Angles of depression are θ1 and θ2

True False