Maths Crossword

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Across
  1. 1. A three-dimentional closed room structure
  2. 2. The sum of the interior angles of this polygon is 180 degrees and sum of the exterior angles is 360 degrees
  3. 5. Two lines in the same plane that are at equal distance from each other and never meet
  4. 7. A closed two-dimensional figure in which the set of all the points in the plane are equidistant from a given point called “centre”
Down
  1. 1. A three-dimensional geometric figure that has a flat surface and a curved surface, pointed towards the top
  2. 3. Figures that are equiangular and equilateral
  3. 4. A two-dimentional polygon with 6 vertices , 6 edges and 6 angles
  4. 6. A three-dimentional figure whose area is 6a^2. It is the only regular hexahedron