N is the midpoint of MH and ML = 11 in the square LMNK. If AN −− KN = 28, which is the measure of GH in the rectangle ANHG?

N is the midpoint of MH and ML = 11 in the square LMNK. If AN −− KN = 28, which is the measure of GH in the rectangle ANHG?

A. 20

B. 21

C. 28

D. 39