During a Wednesday night appearance on Fox News where he advocated for cuts to the Pentagon’s budget, Alabama’s senior senator invented a word for a three-sided shape, apparently forgetting ...

Can you see any shapes with curved lines? Why not try drawing a picture using only straight lines. A triangle has 3 sides and 3 vertices (corners). A vertex is where two lines meet or join.

A Republican senator came up with a new name for a triangle as he bizarrely suggested that the Pentagon should be made up of three sides, not five, while calling for cuts to the Department of Defense.

The rectangle is a wobbly, unstable shape. When you push the side, it flops into a slanted parallelogram. This happens without any of the rectangle's sides changing length. When you poke the top ...

Can you see any shapes with curved lines? Why not try drawing a picture using only straight lines. A triangle has 3 sides and 3 vertices (corners). A vertex is where two lines meet or join.