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

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.

When labelling a length as the hypotenuse, it can be shortened to 𝒉. is equal to the sum of the area ... if it is a right-angled triangle check if Pythagoras’ theorem is true for the lengths ...

In a new peer-reviewed study, Ne'Kiya Jackson and Calcea Johnson outlined 10 ways to solve the Pythagorean theorem using trigonometry, including a proof they discovered in high school.

Ne'Kiya Jackson and Calcea Johnson from Louisiana used trigonometry to prove the 2,000-year-old Pythagorean theorem, which ...

But it wasn't. The 2,000 year-old theorem states that the sum of the squares on the legs of a right triangle is equivalent to the square on the hypotenuse, or the longest side of a right triangle.

The student's discoveries were confirmed by the math community this week after their proofs were published in the American ...