=+=Cyber Savages=+=
*MATHEMATICS - Question 4*
"This isn't too tough," said Daniel. "It's 17."

"YOU'RE CORRECT," said Klorgy. "TOLD YOU THIS WAS EASY!"

"Actually, Klorgy, you never said that..." corrected Darren.

"I JUST DID." retorted Klorgy. "NOW PREPARE FOR MY NEXT QUESTION."

Question 4 :

The square of the hypotenuse of a triangle is the sum of the square of the other two sides

Whose theory was that?

Pythagoras
Descartes
Carroll

Your teacher must have taught you this! :)