Hans wanted to find the length of the hypotenuse of the triangle. Which statement correctly identifies his error?
Answer
A
He did not finish the problem. He should have divided 161 by 2 to find the square root.
B
He did not square 40 , he just multiplied by 2 .
C
He should have added 9 plus 9 to find the value of 9 squared .
D
He should have subtracted the two squares to get 40 squared minus 9 squared is equal to c squared because numbers get too large if both legs are squared and then added together.