Part A: The answer is PR = 15.23 by Pythagorean Theorem. The pythagorean theorem is a^2 + b^2 = c^2. Plug in 14 for a and 6 for b to find c. Part B: The answer is QR = 7.75. Using the same theorem, plug 16 in for c, 14 in for a, and then you can find b.
