mathematics holiday homework

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Across
  1. 3. convex polyhedron with 6quadrilateral faces
  2. 5. three-dimensional fig with six square faces
  3. 7. this figure equal length sides,equal angles
Down
  1. 1. lines in a plane which do not meet
  2. 2. this figures area formula is πr^2
  3. 3. threedimensional fig from flat base to apex
  4. 4. this figure has three sides
  5. 6. this figure has 6 sides