2D shapes have sides and corners. A rectangle has 4 straight sides and ... Here are some more examples. Some have been turned, some are long and thin, others are shorter and wider.

For example, a triangle made of paper would ... What happens when you push the side of a rectangle? The rectangle is a wobbly, unstable shape. When you push the side, it flops into a slanted ...

Colorado has mostly straight borders, which makes it look like a box on maps. These lines follow latitude and longitude, so ...

For example a cube has 8 vertices. 2D shapes are boring ... they're like a stretched cube and have 2 square faces and 4 rectangular faces. Oh yeah. Alright. Please make him stop.