Answer:
A. 4
Explanation:
HG = 6,
PO = 8
HG = ½(PO + MN) => Trapezoid Mid-segment Theorem
Plug in the values into the equation
6 = ½(8 + MN)
Multiply both sides by 2
2*6 = 8 + MN
12 = 8 + MN
12 - 8 = 8 + MN - 8 => Subtraction Property of Equality
4 = MN
MN = 4