12) In projection, which of the following lines is drawn with thin lines? A. XY an X1Y1 lines B. Projector lines Which of the above given is/are correct?

13) A polyhedron with twelve equal regular pentagonal faces is called

14) When a cone and pyramid are cut such that their cut surfaces are parallel to the base, they are called

15) The ratio of isometric length to the actual length is equal to

16) In isometric projection, the inclinations of non-isometric inclined edges of the plane surface appear _____ their true angles.