Which of the following is not a Pythagorean triple?
A) 3 – 4 – 5
B)5 – 12 -13
C)7 – 24 – 25
D)8 – 15 – 18

Question

Which of the following is not a Pythagorean triple?
A) 3 – 4 – 5
B)5 – 12 -13
C)7 – 24 – 25
D)8 – 15 – 18

allank · Answer

You can test each answer quickly: a^2+b^2=c^2

allank · Answer

And D seems to fit.

anonymous · Answer

A) 3^2 + 4^4 =? 5^5
   9 + 16 = 25 This one is correct.
B) 5^2 + 12^2 =? 13^2
   25 + 144 = 169 This one is correct.
C) 7^2 +24^2 =? 25^2
   49 + 576 = 625 This one is correct.
D) 8^2 + 15^2 =? 18^2
   64 + 225 =X 324 This one is incorrect.

anonymous · Answer

@xVxNICKxVx so which one should i choose?

anonymous · Answer

You're looking for the one that does not conform to the a^2 + b^2 = c^2 formula. Which one of the equations was incorrect?

anonymous · Answer

D, thanks i get it

anonymous · Answer

:)