MATHEMATICS CROSSWORD

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Across
  1. 1. The set that satisfies a given condition.
  2. 3. The longest chord of a circle that contains the center of the circle as its midpoint.
  3. 6. Part of a circle containing its center and an arc.
  4. 7. An arc whose central angle is a right angle.
  5. 8. The set of points on a plane equidistant from a central point.
  6. 10. A two-dimensional group of points that goes on infinitely in all directions, made up of infinite lines.
  7. 11. Angles that have a common side in the interior of the angle, formed by the uncommon sides.
Down
  1. 2. Another word for perpendicular.
  2. 4. A parallelogram with four equilateral sides.
  3. 5. The measurement of the steepness and direction of a nonvertical line.
  4. 7. A seven-sided polygon.
  5. 9. A part of a line that begins at the endpoint and extends endlessly in one direction.
  6. 12. In the same line.
  7. 13. A straight line or plane that touches a curve or curved surface at a point.