Question 62696
AREA=(S1+S2)/2*16
224=[(20+S2)/2]*16
224=[20+S2)*8
224=160+8*S2
224-160=8*S2
8*S2=64
S2=64/8
S2=8m THE LENGTH OF THE SECOND SIDE.
PROOF
224=[(20+8)2]*16
224=[(28/2]*16
224=14*16
224=224