Write the composite number between 41 and 51

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

The cone in the diagram has the same height and base area as the prism. what is the ratio of the volume of the cone to the volume of the prism? h hl base area-b base area =b volume of cone_1 volume of prism 2 volume of cone 1 volume of prism 3 volume of cone 2 volume of prism 3 oc. od. volume of cone volume of prism e. volume of cone volume of prism 3 2

Can someone tell me if this is perpendicular? !