math
posted by nicole on .
#2 Determine whether the triple of numbers can be the sides of a right triangle.
2)9,12,16
Answer choice: a.) yes b>) no

Obviously, if they do form a rightangled triangle, 16 would have to be the hypotenuse, and the Pythagorean theorem would have to hold, so ...
is 16^2 = 9^2 + 12^2 ?