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.
the Pythagorean theorem. Keith McNulty, an expert in applied mathematics, said: 'It's a wonderful demonstration that excellence in a field of research is achievable by anyone with joy and passion, ...
Two high school students have proved the Pythagorean theorem in a way that one early 20th-century ... and another that shoots straight up from where it meets the first side at a right angle. The ...
Trigonometry can be used to find the length of a side in a triangle. Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing side in a right-angled ...
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