Estimate the area of the surface generated by revolving the curve y = cos(2x), 0 ≤ x ≤ x-axis. Use the trapezoidal rule with three subdivisions. The approximation is: 4.4820 Give your answer accurate to four decimal places. 4.482025662422 74 about the

Solve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places unless otherwise specified. A solid right cylinder 9.55 centimeters high contains 1910 cubic centimeters of material. Compute the cross-sectional area of the cylinder.