Q: Is 345 a Pythagorean triple

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No

The triple is: 20, 21 and 29

The integers 3 and 4 form part of the 3-4-5 Pythagorean triple.

It is: 13

No. 122 + 162 = 400 = 202 so 12, 16, 20 would be a Pythagorean triple, but 12, 16, 18 would not.

Related questions

No, the multiple of any random triple is not a Pythagorean triple.

Nearly but not quite a Pythagorean triple

There are infinitely many Pythagorean triples. To find a Pythagorean triple take two positive integers x, y with x > y. A Pythagorean triple is of the form x2 - y2, 2xy, x2 + y2.

What is the value of x if (13, 84, x) is a Pythagorean triple?

If p and q are integers, then a = p2 - q2 b = 2pq, and c = p2 + q2 form a Pythagorean triple. Furthermore, if p and q are co-prime then the triple is primitive Pythagorean.

A Pythagorean triple is three positive integers a, b, and c, such that a^2 + b^2 = c^2. A well known Pythagorean triplet is (3,4,5). If (a, b, c) is a Pythagorean triplet, then so is (ka, kb, kc) for any positive integer k.

34

No.

No

Let's try it out: 152 + 362 = 392 225 + 1296 = 1521 1521 = 1521 That is a pythagorean triple.

The triple is: 20, 21 and 29

That will depend on the triples of which none have been given but in order to be a Pythagorean triple they must comply with Pythagoras' theorem for a right angle triangle.