Given:
Height of man = 6 ft
Height of man's shadow = 11 feet
Height of building's shadow = 139 feet
To find:
The height of the building.
Solution:
We know that the heights of the objects and there shadows are always proportional.
Let x be the height of the building.
Multiply both sides by 139.
Therefore, the building is 75.8 feet long.
Answer:
Step-by-step explanation:
so it's a little hard to tell if they mean
or
for for answer D but i'll guess that they mean the latter.... also for B... it's often said... incorrectly that you can't take the square of a negative number.. but that's not exactly true. b/c = i in the imaginary number world. soooo that said... I think they are assuming that you don't know you could do that.. even thou.. now you do :D but.. B looks like the best choice