Which of the following measurements could be the side lengths of a right triangle?

A.
42 in, 63 in, 70 in
B.
42 in, 56 in, 70 in
C.
35 in, 56 in, 70 in
D.
42 in, 56 in, 84 in

3 answers

C. 35 in, 56 in, 70 in
wrong
The correct answer is:

B. 42 in, 56 in, 70 in

These measurements satisfy the Pythagorean theorem, a^2 + b^2 = c^2, where a and b are the two shorter sides of the triangle, and c is the longest side (the hypotenuse).