Irregular polygons are shapes that have sides and angles of different sizes. You can always identify the polygon by how many sides it has. For example a pentagon is always a shape that has 5 sides.

Zach’s design for a pond in the virtual city park leads to Ada explaining the properties of regular and irregular polygons. Suitable for teaching maths at KS2 in England, Wales and Northern ...

An irregular polygon is a polygon where this is not the case. Knowing the difference between regular and irregular polygons can help when working out the size of missing angles.

And so, it became a slightly irregular polygon, but definitely an improvement over the “irregular open work.” How to visit Fort Adams ...

Only the orange triangle has 3 equal sides and 3 equal angles. This is a regular polygon. It is called an equilateral triangle. The other triangles are irregular polygons.

There are lots of different types of polygon. Find out about quadrilaterals, triangles, polygons and circles in this Second Level Maths guide from BBC Bitesize.

They called it the polygon. Using phone records and a sophisticated system that maps the reach of cell towers, a team of investigators had drawn the irregular shape across a map of tree-lined ...

There are lots of different types of polygon. Find out about quadrilaterals, triangles, polygons and circles in this KS2 Maths guide from BBC Bitesize.

Only the orange triangle has 3 equal sides and 3 equal angles. This is a regular polygon. It is called an equilateral triangle. The other triangles are irregular polygons.