The surface area of this cone is 656.7624 square centimeters. The radius is 8.3 centimeters. What is the slant height of this cone? Use 𝜋 ≈ 3.14 and round your answer to the nearest hundredth.
since A = πr^2 + πrs, just solve for s in
π * 8.3^2 + π * 8.3 * s = 656.7624