SOLUTION: A can of beans has surface area 366 cm^2. Its height is 17 cm. What is the radius of the circular​ top? (Hint: The surface area consists of the circular top and bottom and a rect

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: A can of beans has surface area 366 cm^2. Its height is 17 cm. What is the radius of the circular​ top? (Hint: The surface area consists of the circular top and bottom and a rect      Log On


   

Question 1145076: A can of beans has surface area 366 cm^2. Its height is 17 cm. What is the radius of the circular​ top? (Hint: The surface area consists of the circular top and bottom and a rectangle that represents the side cut open vertically and​ unrolled.)
Answer by josgarithmetic(39614) About Me  (Show Source):
You can put this solution on YOUR website!
h%2A2%2Api%2Ar%2B2%2Api%2Ar%5E2=S

2pi%2Ar%5E2%2B2h%2Api%2Ar-S=0

Solve for r.