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Relations between Various Magnitudes Which Serve as Signs of a Right-angled Triangle | Chapter 04 | Advances in Mathematics and Computer Science Vol. 2

Relations between different magnitudes in a triangle, such as the radius of the circumcircle of the triangle, the radius of the incircle of the triangle, the radii of the excircles the triangle (which are tangent to one side from the outside and the continuations of the two other sides), as well as their relations with the side lengths the triangle and certain segments in the triangle, are a fascinating subject. We present a proven scheme of 15 relations between the sides of a triangle, the radii of incircles and excircles of the triangle, the area and half the perimeter of the triangle, which serve as signs of a right-angled triangle, together with the 16th relation which is the Pythagorean Theorem. The relations are investigated dynamically using the computerized software.

Author(s) Details

Prof. Moshe Stupel
"Gordon” and “Shaanan”-Academic College, Haifa, Israel and “Shaanan”-Academic College, Haifa, Israel.

Dr. Avi Sigler
“Shaanan”-Academic College, Haifa, Israel.

View Volume: https://doi.org/10.9734/bpi/amacs/v2

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