It is 3. Because a square root is anything times itself to make an answer. For example:
Answer:
This would mean 3x=5
so to isolate the x, we divide 5 by 3
and get x=5/3
The distance to the top of the building above the range finder can be found from the Pythagorean theorem.
.. d = √(115² -89²) ≈ 72.8 . . . . feet
Adding the height of the range finder, we find the height of the building to be
.. h = d+3 = 75.8 ft
