Answer:
JM= 12.8
Step-by-step explanation:
Pythagorean Theorem.
A^2+B^2=C^2
*C is always the longest length (in this case, JM)
8^2+10^2=C^2
64+100=C^2
C^2=164 *Keep in mind this is C SQUARED, not C. We need to simplify by finding the square root*
C= about 12.8=JM
*Length JL is split in half*
