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how to calculate long side of a triangle. Sides a and b are the perpendicular sides and side c is the hypothenuse. C a 2 b2 The hypotenuse is the longest side of a right triangle and is located opposite the right angle.
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A more general formula that works with any angle is the Law Of Cosines Given a triangle where sides A B and C are across from angles a b and c the Law of Cosines says that A2 B2 C2 - 2BCCos a. The hypotenuse is always the longest. Its the third one.
If more than 3 fields are filled only a third used to determine the triangle the others are eventualy overwritten 3 sides.
The sum of the lengths of any two sides of a triangle is always larger than the length of the third side Pythagorean theorem. Fill in two only two values then click on Calculate. The hypotenuse is always the longest. The sum of the lengths of any two sides of a triangle is always larger than the length of the third side Pythagorean theorem.
