posted by Anon .
What is the length of the hypotenuse of a right triangle with legs of lengths 9 in. and 40.
I believe it is A, because 9^2 is 81 and 40^2 is 1681 and when you find the perfect square of that it's 41. Am I right?
Yes, 41 is right.
But 40 squared is 1600.