Geometry

1234567891011
Across
  1. 3. The distance around a figure, equal to twice the length plus twice the width.
  2. 6. A four-sided figure where opposite sides are equal.
  3. 8. A straight line segment whose endpoints both lie on the curve.
  4. 10. A three-sided figure.
  5. 11. A four-sided figure with equal sides.
Down
  1. 1. A line joining two points.
  2. 2. A tool used to draw circles.
  3. 4. A unit of measurement for the length of sides.
  4. 5. A straight line from the center to the circumference of a circle or sphere.
  5. 7. A figure with one side and no angles.
  6. 9. A six-sided polygon.