Answer:
c = 7
Step-by-step explanation:
We know that a right triangle = 90 degrees, so we can set up the equation of (8c - 5) + (6c - 3) = 90. From there on, we can simplify to get 14c - 8 = 90, and then 14c = 98. Dividing 14 from both sides we get c = 7.
