Geometric Figures

Triangles

r

a shape with 3 sides eg: equilateral, isoceles, scalene.

polygons

convex

r

convexa shape that is original (a propper shape)

non-convex

r

non-convexa shape which is not original

a shape which is not original.

equilateral

r

All sides equalAll angles equal to 60 deg

a shape with all sides equal eg: equilateral triangle

Parallel lines

r

lines that never meet each other.

Quadrilaterals

r

a shape with 4 sides eg: a square, rectangle.

Points, lines, Intervals

Points- a line marked with points to represent angles, sides, parallel lines.

lines- a basic straight line.

Interval- a line is a section of a line.