Respuesta :

aleeshasaji

Answer:

∠KNC = 99°

Step-by-step explanation:

∠JNM + ∠KNC = 180    (it is a straight line)

∠KNC = 180 - ∠JNM

∠KNC = 180 - 81

∠KNC = 99°

laur4452

Answer: 99°

Step-by-step explanation: They are supplementary so 180 - 81 = 99