crossword puzzle

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Across
  1. 3. reciprocal of sec is____
  2. 5. this application is used to invert the ratio obtainded by thales theorem
  3. 6. the value of ___30 degree is 2
  4. 7. the graphical presentation is a_____
  5. 9. the lemma which is used to find the HCF is____
Down
  1. 1. the 10th term of the AP 1,3,5,--- is______
  2. 2. the location of a point in a graphical field is called_____
  3. 3. a polynomial of degree 3 is called ____
  4. 4. the ratio in which the point(-4,6)divide the linesegment joining the points(-6,10)and (3,-8) is___
  5. 8. two triangles are similar if their corresponding angles are____