crosswords

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Across
  1. 3. maximum number of roots in quadratic equation
  2. 5. two sides are equal and they call me _____ triangle
  3. 7. five + three=
  4. 8. three eleven * three(11*3)=
Down
  1. 1. two lines which never meets
  2. 2. on which subject crossword is being asked
  3. 4. longest chord in a circle
  4. 6. i have four sides ,all are equal