A proper triangle is a triangle that has one proper angle, or a 90-degree angle. There are a number of methods to find out if a triangle is a proper triangle.
A technique is to make use of the Pythagorean theorem. The Pythagorean theorem states that in a proper triangle, the sq. of the size of the hypotenuse (the aspect reverse the suitable angle) is the same as the sum of the squares of the lengths of the opposite two sides. In different phrases, if a^2 + b^2 = c^2, then the triangle is a proper triangle.
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