A closed figure made up of lines segments.
A point where 2 or more sides meet.
An angle formed on the inside of a polygon by 2 sides meeting at a vertex.
An angle formed on the outside of a geometric shape by extending 1 of the sides passed a vertex.
A part of a line with 1 end point.
Having all angles equal
Divide into 2 equal parts.
A line perpendicular to a line segment and passing through its mid point.
The point where the medians of a triangle intersect.
Having all corresponding sides proportional.
A polygon with all sides equal and all interior angles equal.
The point that divides the line segments into 2 equal segments.
The line segement joining a vertex of a triangle to the mid point of the opposite side.
Ajoining or next to.
Adding to 180 degrees.
Line intersecting 2 or more lines.
Equal in all respects.
A polygon with no part of any line segment joining 2 points on the polygon outside.
All the interior messure less than 180 degrees.
A polygon with parts of some line segments joining on the polygon outside the polygon.
Can have angles greater than 180 degrees.
A polygon with 5 sides.
A polygon with 6 sides.
A polygon with 7 sides
A polygon with 8 sides.
A polygon with 10 sides.
A polygon with 12 sides