Geometry

3. polygon where all interior angles are less that 180
11. a portion of a line that starts at a point and continues in one direction forever
12. the line segment that divides the segment into 2 segments that have the same length
13. The what of a figure is the number of unit squares that cover the surface of a closed figure.
14. a portion of a line consisting of 2 points called end points and all points between them
15. figure which is formed by two rays or lines that shares a common endpoint

1. a statement that is accepted as true without proof
2. distance around the edge of a shape.
4. points that lie on the same line
5. a closed plane formed by 3 or more line segments called sides
6. type of quadrilateral, whose opposite sides are equal and parallel
7. The portion of a line between any two of its points.
8. points or lines that lie on the same plane
9. extending in the same direction, equidistant at all points, and never converging or diverging:
10. the point of a figure that is opposite to and farthest from its base