Maths

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Across
  1. 2. A straight line segment connecting two points on a circle
  2. 4. What do you call the point where the medians of a triangle meet?
  3. 7. An angle less than 90 degrees
  4. 9. triangle with two equal sides
  5. 10. Longest distance across a circle, passing through the center
Down
  1. 1. In a right-angled triangle, the longest side
  2. 3. Constant approximately equal to 3.14159, used in circle calculations
  3. 5. angle greater than 90 degrees but less than 180 degrees
  4. 6. Distance from the center of a circle to the circumference
  5. 8. Perpendicular distance from the base to the opposite vertex in a triangle