1. A solid has a circular base of radius r. Find the volume of the solid if every plane section perpendicular to z fixed diameter is in semicircle. a. 1.20m^3 b. 2.51 3 c. 2.09m^3 d. 4.10m^3 2. Find the area inside the cardiod r = 1 + cos theta and the outside the circle r = 1 a. 2.97 b. 2.79 c. 2.85 d. 2.58

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