Coordinate & Trig Puzzle

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Across
  1. 3. The vertical axis in a graph
  2. 6. TRIANGLE A triangle with one angle equal to 90°
  3. 7. The longest side of a right-angled triangle
  4. 8. The ratio opposite/hypotenuse
  5. 9. The ratio adjacent/hypotenuse
  6. 10. The value of tan 45°
  7. 11. The fixed reference point
  8. 12. The point exactly in the middle of a line segment
Down
  1. 1. The horizontal axis in a coordinate plane
  2. 2. One of the four sections of the coordinate plane
  3. 4. FORMULA Used to find the distance between two points
  4. 5. The side opposite to the angle
  5. 7. The value of sin 30°
  6. 10. The point where the x-axis and y-axis meet