You are describing a polygon. Polygons can be triangles (3 sides), quadrilaterals (4 sides) etc... and some have special names. A square, for example, is a four sided polygon with all sides the same length and all angles are 90 degrees.
A Triangle :)
a triangle
A closed plane figure, for example, a sector of a circular or elliptical shape has no specific name.
Any closed polygon could be made using the descriptions above.
figure
A polygon.
triangel
A Triangle :)
a triangle
polygons
That would be a polygon.
regular polygon-all the sides are the same length and the angles have the same measurement. polygon-a closed plane figure whose sides are segments that intersect at their endpoints.
A closed plane figure, for example, a sector of a circular or elliptical shape has no specific name.
polygon
a shape. The real answer is a polygon as long as the lines do not intersect anywhere but the endpoints. It could also be called a figure.
Any closed polygon could be made using the descriptions above.
figure