MATHS CROSSWORD

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Across
  1. 2. Angles _____________ of a cyclic quadrilateral measure 180°
  2. 4. Décartes French mathematician who gave the system for describing the position of a point in a plane
  3. 5. Theorem Name for fornula a²=b²+c²
  4. 7. Theorem Name for DIVIDEND=(DIVISOR × QUOTIENT) + REMAINDER
  5. 8. Writer of the famous treatise "ELEMENTS"
  6. 10. Number a number whose decimal expansion is terminating or non-terminating non-recurring
  7. 11. The graph of linear equation x = a is a straight line _________ to x axis
Down
  1. 1. Sum of the angles of a ________ is 180°
  2. 3. How many solutions does a linear equation in two variable have?
  3. 5. A quadrilateral is a _________ if it has equal opposite sides or angles
  4. 6. Mathemacian who gave the formula of an triangle in terms of its three sides
  5. 9. surface area of _________ is 6a²