What is the measure of angle x?

Enter your answer in the box. m∠x= °

A triangle with the angles one hundred two degrees, thirty one degrees and X degrees

X is 47

Step-by-step explanation:

All the angles of a triangle always add up to 180. 180-102-31 is 47

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

jml angle lkj & angle mj = lm