I have very fond memories of high school geometry. Memorizing theorems wasn't too hard, and solving proofs was like solving the logic puzzles that I did for fun anyway. But the theorems were scattered ...

Circle theorems are properties that are true for all circles, regardless of their size. There are six theorems to learn and recognise. Questions can have a combination of theorems. It is important to ...

Ryan Morgan has gotten used to sharing trade secrets with older and wiser mathematicians. So, the Patapsco High School junior was unfazed yesterday when he explained his findings — widely considered a ...