Question

10 *. While landing at an airport, a pilot made an angle of depression of 20°. Avera
speed of the plane was 200 km/hr. The plane reached the ground after 54 second
Find the height at which the plane was when it started landing. (sin 20º = 0.34​

Answer 1

The height = 200×54/3600= 3km.

HENCE height = 0.347 = h/3. = 10.41 km

Answer 2

Answer:

h =10.41

Step-by-step explanation:

h=200×54/3600

=3km

to change it

h =0.347

=0.347/3

=10.41