Across
- 5. Squares, rectangles and trapezoids are also quadrilaterals
- 6. A closed plane curve consisting of all points at a given distance
- 7. Angle " an angle greater than 90 degrees but less than 180 degrees
- 10. " a polygon having six sides and six angles
- 12. The part of a straight line considered as originating at a point
- 13. Triangle " a triangle which has two sides equal
Down
- 1. Triangle " a triangle with all sides equal and all angles equal
- 2. a straight line passing through the center of a circle or sphere
- 3. Angle " a 90 degree angle
- 4. the intersection point of two sides of a plane figure
- 6. Curve " a curve that is continuous and has endpoints that meet at the same point
- 8. a quadrilateral plane figure having two parallel and two nonparallel sides
- 9. Triangle a triangle having three unequal sides and angles
- 11. A polygon having eight angles and eight side