Maths crossword puzzle

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Across
  1. 3. Who defined Mathematics as the "science of quantity"?
  2. 5. Ordinate of any point on the Cartesian plane is its __________ distance from X- axis.
  3. 7. If you’re given a rectangular sheet of metal to make a storage container then the sheet should be folded along its ______ to get a cylindrical container with large volume.
  4. 8. If three points A,B, and C are given and AB+BC=AC then the points are _______
  5. 10. To prove that a triangle is right angled we use converse of ________ theorem
  6. 11. The value of cosecant of an angle and ______ of an angle is √2.
  7. 15. The probability of an event can’t be_______
Down
  1. 1. In a 30°-60°-90° triangle, the side opposite to 30° is 1/2 times the ________
  2. 2. Who is known as the "Father of Geometry"?
  3. 4. The angle formed by the line of sight with the horizontal, when the point being viewed is above the horizontal level is called the angle of __________
  4. 6. Area of a triangle is 1/2 x radius x _______ of a triangle.
  5. 9. 6^0 = 0 ; True or false?
  6. 12. The _____ of a triangle divides the median in the ratio 2:1
  7. 13. Sample space for _____ dice is 216.
  8. 14. If the hour hand moves from 12 o’clock to 4 o’clock; the sector formed by the hand moved will be _______