3x + 5. What is the degree measure of JKL? ... The measure of angle JKL can be represented using the expression 3x + 5. What is the degree ... 4.9/5. 170. Louli. Virtuoso. 3.2K answers. 18.2M people helped. Answer: ... x = 20. This means that: ∠JKL = 3x + 5 = 3(20) + 5 = 65°. ∠JKM = 45°. ∠MKL = x° ...