Which of the following measurements could be the side lengths of a right triangle? A. 70 in,?

Question

...  112 in, 140 in
  B. 
84 in, 112 in, 168 in
  C. 
84 in, 126 in, 140 in
  D. 
84 in, 112 in, 140 in

Answer

According to the Pythagorean Theorem a^2 + b^2 = c^2

A. 70^2 = 4900  112^2 = 12544  &radic;12544 = 132.499 so it's not A.

Do the same for each answer to see which is correct.

Which of the following measurements could be the side lengths of a right triangle? A. 70 in,?

Answers (1)