Question

a tower stands vertically on the ground from a point on the ground which is 21 m away from the foot of the tower the angle of elevation of the top of the tower is found to be 30 degree find the height of the tower

Answer 1

PLEASE MARK IT AS BRAINLEST

Answer 2

Answer:

Step-by-step explanation:

Given :

Height of tower : h = AB

Distance between point : 21 m =BC

¢= 30'

Solution:

Tan ¢ = AB/BC

Tan 30' = h/21

1/√3= h/21

h = 21/√3

=21/√3 × √3/√3 ----rationalizing denom.

=21√3 /3

=7√3 m

Hence, height of tower is 7√3 m.