Introduction Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more ...

Well, what is the best way to cut a sandwich in half? Surely triangles don't really have "more sandwich," right? That's geometry and the law of conservation of matter. But something about the ...

Depicted above are two similar triangles; their sides are parallel. The largest angle in either triangle above is 66 degrees. The smallest angle in either triangle above is 52 degrees. The inner ...