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
Answer:
I think it's either 10√3 or 10
Answer:
7.5 m
10 m
Step-by-step explanation:
i) 30 m ÷ 4 = 7.5m
iii) 30m ÷ 3 = 10m
Answer:
c 44
Step-by-step explanation:
Answer:
Hey buddy, here is your answer. Hope it helps you.
Step-by-step explanation:
4.957 something is the answer