Question

is (1,2,3) a Pythagorean triplet? step by step answer plz​

Answer 1

Answer:

It's true only in a right triangle where a,b are the legs and c is the hypotenuse, the longest side.

Thus, if this were a Pythagorean triple, a=1,b=2,c=3 .

Which is untrue.

Thus, 1,2,3 is not a Pythagorean triple and sides of such lengths cannot form a right triangle.

Step-by-step explanation:

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Answer 2

Answer: NO

Step-by-step explanation:

Phythagorean triplet is the one which satisfies the equation:

$a^{2} + b^{2} = c^{2}$

Let's solve...

$1^{2} + 2^{2} \\= 1 + 4 \\= 5$

Since 5 is not equal to $3^{2}$ which is 9,

1, 2, 3 is not a pythagorean triplet...

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