Respuesta :

Amin9127

Answer:

50

Step-by-step explanation:

j is 90 degrees and ljk is 40 degrees so you just minus it from 90 which will give you your answer.

lilliansolomon86

Answer:50

Step-by-step explanation:So the angle is a right angle so take the 90 and subtracted by 40 and then you get 50

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