Answer:
The answer to your question is r = 5 ft
Explanation:
Data
Volume = V = 785 ft³
height = h = 10 ft
radius = r = ?
pi = 3.14
Formula
Volume of a cylinder = πr²h
-Substitution
785 = (3.14)r²(10)
-Solve for r²
r² = 785 / (3.14)(10)
-Simplification
r² = 785 / 31.4
r² = 25
-Result
r = 5 ft