Basic Geometry

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Across
  1. 3. A region of a circle bounded by a sentral angle and it's corresponding arc.
  2. 4. See line symmetry and rotational symmetry
  3. 7. Any object that canbe used as a guide to draw a straight line
  4. 9. The side of a figure from one position to another
  5. 12. An arc whose endpoints lie on a diameter of a circle
  6. 14. A convex polygon that is both equilateral and equiangular
  7. 15. Quadralateral with 4 congruent sides and 4 right angles.
  8. 16. A sentance that is either true or false, but not both.
  9. 17. The measurement of the space occupied by a solid region
  10. 18. The angles formed when two secants intersect
Down
  1. 1. A parallelogram with four right angles
  2. 2. A figure formed by three noncollinear points connected by segments
  3. 3. One of two identical facfactors of a number.
  4. 5. In a plane, a line that intersects a circle at exactly one point.
  5. 6. In a plane, a line that intersects two or more lines
  6. 8. The set of real numbers
  7. 10. A segment of a circle whose endpoints are the center of the circle and a point
  8. 11. Two nonadjacent angles formed by a pair of intersecting lines
  9. 13. The sum of the areas of the surfaces of a solid figure.