Answer:

Step-by-step explanation:
Given that,
The height of the tower, h = 40 m
The angle of elevation is 30°
We need to find the distance between the tower and the point. Let the distance is x. Using trigonometry,

So, the distance between the tower and the point is equal to
.
Answer:
Done
Step-by-step explanation:
8(2÷x+3)
16÷8x+24
Answer:
$18
Step-by-step explanation:
20% of 30 is 6.
$18 is half of the total