Question

at 2 pm the height of a pole is root3 times the length of its shadow on the level ground. Find the angle of elevation of the sun. At the same time. What will be the length of the shadow of a 40m high tower.

Answer 1

Answer:

Let the height of the tower be h

∴height of the shadow=

3

h

In a △ABC,

tan∠ACB=

3

h

h

⇒tan∠ACB=

3

1

∴∠ACB=60

∘

Therefore, angle of elevation is 30

∘

.

Answer 2

Answer:

the angle of elevation is 30o.