Answer :
144sq. in = 1 sq.ft
A = L * W = 36 in) * 24(in) = 864 (in^2) = 864sq. in (= 864/144) = 6 sq. ft <=ANS
A = L * W = 36 in) * 24(in) = 864 (in^2) = 864sq. in (= 864/144) = 6 sq. ft <=ANS