Answer: 
Step-by-step explanation:
Given
The length of the shadow is 78 ft
the angle of elevation is 
Suppose the height of the building is 
From the figure, we can write

The height of the building is 45.03 ft
It is because the 35.4% divided the 100% total is B. 0.354
Answer:
I think it is 6 sorry if it is wrong
Step-by-step explanation:
;-;