September 16, 2025, is the only date that fits the definition this century. Here’s the specific math to add it all up: 3 multiplied by itself is 9, 4 squared is 16, and 5 squared is 2025. On top of ...

The Pythagorean Theorem is an ancient theory that states that in a right triangle, if the length of the hypotenuse is c, and the lengths of the two sides that sandwich the right angle are a and b, ...

Everyone knows that A² + B² = C², but can you prove it? There are at least 88 ways to do it. Here’s my personal favorite. The Pythagorean Theorem is known by anyone who has taken basic geometry. In a ...

The Pythagorean theorem, a cornerstone of mathematics for millennia, provides a method for determining unknown sides in right-angled triangles using the formula a² + b² = c². Its applications extend ...

For centuries, students have learned that in a right triangle, the square of the hypotenuse equals the sum of the squares of the other two sides. Known as the Pythagorean Theorem, this ...

Ne'Kiya Jackson and Calcea Johnson from Louisiana blew the math community away when they presented a solution to the Pythagorean theorem using trigonometry, an impossible feat for 2,000 years. They ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Calcea Johnson and Ne’Kiya Jackson, two Black seniors from St. Mary’s Academy in New Orleans, have done the unthinkable. In 2022, the amazing students created proof for the Pythagorean Theorem, which ...

Maor, an author and Loyola University math history instructor, has crafted a charming tour through math history, introducing the many ways that the Pythagorean Theorem (in a right triangle, the sum of ...