Solve for x in the second equation first
19.2
To find the hypotenuse the equation would be: a^2 + b^2 = c^2.
12 squared is 144 and 15 squared is 225. Add them and you get 369. Then, square root 369 to isolate c. It'd be about 19.2
the answer to this question is
1220703125
He would only be able to make 6 rows with 3/4 of another