For this case we can make use of the Pythagorean theorem. We have then: (root (117)) ^ 2 = x ^ 2 + 6 ^ 2 Clearing x we have: x ^ 2 = (root (117)) ^ 2 - 6 ^ 2 Rewriting: x = root (117-36) x = root (81) x = 9 Answer: The value of x is given by: x = 9 cm
