Basics of Geometry
1.Line Segment: A line segment consists of two endpoints. we can measure the length of the segments.
2.Line: A line doesn't have any endpoints.
3.Intersection: Lines passing through a single point.
4.Ray: A ray is a portion of a line. It starts at one point (called starting point)
and goes endlessly in a direction.
5.Sides,vertices and Diagonals:
6.Quadrilaterals:A four sided polygon is a quadrilateral.It has 4 sides and 4 angles.
