Given:
The equation is:

To find:
The solution for the given equation.
Solution:
We have,

It can be written as:



Taking square root on both sides, we get
[Radius cannot be negative]


Therefore, the value of r is about 6.36 cm.
Answer:
29,513 ft
Step by Step:
1). 29,028 - (-485)
2). Simplify the problem
29,028 + 485
3). 29,513