Mental Maths Crossword

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Across
  1. 3. Curved Surface Area of a hemisphere
  2. 6. Coordinates of the origin
  3. 7. Theorem used to calculate hypotenuse of a right triangle
  4. 8. Chords equidistant from the center of the circle are _____
  5. 9. _____ of 40° is 50°
  6. 10. 4 in P(4, 5)
Down
  1. 1. Point where 2x+3y=6 cuts X axis
  2. 2. Numbers with non-terminating non-recurring decimal expansions
  3. 4. Diagonals of a parallelogram _____ each other
  4. 5. Quadrilaterals whose vertices lie on a circle