In this triangle \(a^2 = b^2 + c^2\) and angle \(A\) is a right angle. Pythagoras' theorem only works for right-angled triangles, so you can use it to test whether a triangle has a right angle or not.

Pythagoras’ theorem is a statement that is true for all right-angled triangles.It states that the area of the square on the hypotenuse close hypotenuseThe longest side of a right-angled triangle ...

What began as a bonus question in a high school math contest has resulted in a staggering 10 new ways to prove the ancient mathematical rule of Pythagoras' theorem. It's long been claimed impossible ...

Some of the earliest evidence comes in the form of a clay tablet – which goes by the catchy name of IM 67118 – that uses the Pythagorean theorem to solve the length of a diagonal inside a ...

What began as a bonus question in a high school math contest has resulted in a staggering 10 new ways to prove the ancient mathematical rule of Pythagoras' theorem. "There are no trigonometric ...

SMALL STEPS TO A STUDENT-CENTERED CLASSROOM. PRIMUS, Vol. 1, Issue. 3, p. 253. The main thread running through this somewhat unorthodox approach to the special theory of relativity is the Pythagorean ...

A leading academic has highlighted China’s rich mathematical history, including a startling fact about a well-known theorem.

Two New Orleans students who solved the Pythagorean theorem using trigonometry have had their discovery confirmed by the math community after their findings were published in the American ...