Find out about regular 2D shapes and irregular polygons. Types of triangle Find out about scalene, equilateral, isosceles and right-angled triangles. Parts of a circle Discover the features of a ...

Ada gives the children more examples of regular and irregular polygons to sort ... Ada introduces Zach and Kayla to the concept of area, and different ways to measure and calculate the area ...

Real-life examples of a polygon shape (closed figure with straight sides) include a regular pentagon baseball plate or a regular hexagon stop sign. However, both regular and irregular polygons are ...