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.

Johnson and Jackson, however, tackled this challenge from a fresh angle. Independently ... students finally prove 2,000 ...

lengths and angles in a triangle are related, and as such, the discipline often includes expressions of the Pythagorean ...

Learn about Pythagoras' theorem with this BBC Bitesize Maths article ... For students between the ages of 11 and 14. Finding angles in right-angled triangles Learn how to find the angles in ...

What it means is that in a right triangle (where one angle equals 90°), the sum of the squares of two sides equals the square of the hypotenuse (the longest side).

Hundreds of years before a Greek scholar outlined his proof of the Pythagorean theorem, ancient Chinese scholars proved it using just 17 characters, a renowned Chinese mathematician highlighted in ...