English crossword

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Across
  1. 3. All angles of a rectangle are?
  2. 5. A 2D figure with four equal sides?
  3. 7. A number multiplied by 5 and divided by 2?
  4. 8. A three-sided figure
  5. 10. Radius and diameter are?
Down
  1. 1. Shapes
  2. 2. The two radii of a circle are?
  3. 4. A 3D shape with all sides and angles equal?
  4. 6. A stretched circle is called an?
  5. 9. A quadrilateral with two equal opposite angles?