Using Pythagorean theorem:
12^2+17^2=c^2
144+289=c^2
433=c^2
20.81=c
C 22/-3
You use the the equation to plug it in and c is the only fraction that plugs in and equals -27.
Answer:15
I know Bc I got it wrong that was the answer
<span>The lowest common multiple is the smallest number that is a shared multiple of a set of numbers. 9 x 1 = 9, 9 x 5 = 45 and 9 x 9 = 81. The smallest common multiple is 9.</span>