Mathematics quiz

1234567891011
Across
  1. 3. The quadrilateral whose opposite sides are equal and parallel.
  2. 5. The number of sides in an octahedron.
  3. 6. Type of numbers which are divisible by one and itself only.
  4. 7. The numbers which have more than two factors
  5. 10. A quadrilateral whose all 04 sides are equal.
Down
  1. 1. This triangle's all three sides are equal.
  2. 2. The type of numbers which multiplies itself.
  3. 4. 90 degrees angle is also known as _____ angle.
  4. 8. There are three _____ in a triangle.
  5. 9. The quadrilateral whose angles are 90 degrees each and opposite sides are equal and parallel.
  6. 11. The angle lower than obtuse angle and right angle.