Answer:
1. 14cm
2. V = 381.8571 dm(3)
3. 146.6
4. Circle is a two-dimensional figure whereas, a Sphere is a three-dimensional object. Acircle has all points at the same distance from its centre along a plane, whereas in a sphere all the points are equidistant from the centre at any of the axes.
5. These figures have curved surfaces, not flat faces. Acylinder is similar to a prism, but its two bases are circles, not polygons. Also, the sides of acylinder are curved, not flat. Acone has one circular base and a vertex that is not on the base.
