mensuration

12345678910
Across
  1. 3. whose two sides are parallel(not a parallelogram.)
  2. 5. measure of the space occupied by the object
  3. 6. it is a line-segment at which two faces of the solid meet.
  4. 7. it is perpendicular to the circular sides of cylinders.
  5. 8. it is a figure having all four sides equal.
  6. 10. depicts the location of a particular objects/place in rotation to others objects/places.
Down
  1. 1. its area = 2(lb+lh+bh)sq. units
  2. 2. plane surface of the solid
  3. 4. these are known as polyhedrons whose base is a polygon and whose lateral faces are triangles with a common vertex
  4. 9. magnitude of a plane region.