It is well-known that Pythagoras’ ancient Greek equation for right triangles: a2+ b2= c2 , is older than ancient Greece. We also know that in Khufu’s pyramid the height equals the radius of a circle ...

If your kid wants something cooler than a plain shoebox, these Valentine’s box ideas for boys are exactly what you're looking for! From monster trucks and dinosaurs to video games and sports, these ...

You can get the answers to geometry dimensions of several shapes, and you can solve for area, side, perimeter, diagonal, ...