The correct answer is option D which is the coordinate will be 16.
The mid point of the line is defined as the center point of any line it means that the distance of this point is same from the one end and to the other end.
Given that:-
The formula for calculating the midpoint of the line for the y coordinate will be:-
Ym= ( y1 + y2 ) / 2
12 = ( 8 + y2) / 2
24 = 8 + y2
y2 = 24 - 8
y2 = 16
Therefore the correct answer is option D which is the coordinate will be 16.
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