Answer:

Step-by-step explanation:
we know that
In a parallelogram the diagonals bisect each other
The figure XYZW is a parallelogram
so
VW=VY
VX=VZ
<em>Find the value of b</em>
VW=VY
substitute the given values

solve for b

Find the length of YW
----> by addition segment postulate

substitute the value of b

Answer:
h - d = 477 meters
Where: h = original height
d = amount the helicopter descended
The original height of the helicopter is given to be h
Step-by-step explanation:
The answer is <span>715.583333333
</span>
Answer: use math-way Have a nice day