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A2+B2=C2

A and B are the sides of a right triangle that aren't directly across the right angle. C is the hypotenuse. (This only applies to right triangles).

Also, one that does pertain to all triangles is the well-known Law of Cosines, one used to develop the Pythagorean Theorem:

c2 = a2 + b2 - abcos(A), where "c" is the hypotenuse, "b" is one side, "a" is another, and "A" is the angle on the opposite's side. (Between the opposite and the adjacent).

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Q: What is true about the relationship among the three side lengths of any triangle?

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Related questions

A scalene triangle.

It is a scalene triangle that has three different lengths and no angles are equal in size.

A SCALENE triangle has all three sides different lengths.

scalene triangle

All three sides have different lengths.

That's a triangle in which all three sides have three different lengths.

-- Make sure you have the lengths of all three sides -- Add up the lengths of all three sides to get the perimeter of the triangle.

a 'scalene' triangle'scalene' triangle

The perimeter of a triangle is the sum of the lengths of its three sides.

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is the sum of the lengths of the three sides.

A triangle in which lengths of the three sides are different is called a scalene triangle.

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