<p>Blue Book practice test 2, section 5 number 6, i have no idea how the answer is A, im using the Pythagorean theorem and still not getting 8 as an X</p>
<p>Who said you have to use Pythagorean theorem? Read the problem.</p>
<p>im assuming you use the Pythagorean theorem, thank you for providing such a detailed explanation</p>
<p>the slope (rise/run) is a 7:16 ratio. 3.5 is half of 7 and so half of 16 is 8.</p>