Question 1079776
.
which of these sets of  numbers cannot be the length of a right triangle


<pre>
A. 15 , 20, 25

b.1.5, 2, 2.5

c. 6, 10 , 16     <<<---+++   This and only this set cannot be the length of a right triangle


d. 6.8.10
</pre>

Notice:  1) The marked set cannot be the length of ANY triangle.


2) in the set d) the separators/dividers "." (dots) look strange . . .