Use the given scale factor and the side lengths of the scale drawing to
determine the side lengths of the real object.
18 in
Scale factor 6:1
21 in
Scale drawing
b
a
Real object
OA. Side a is 3.5 inches long and side bis 3 inches long.
OB. Side a is 126 inches long and side bis 108 inches long.
OC. Side a is 15 inches long and side bis 12 inches long.
OD. Side a is 27 inches long and side bis 24 inches long.
Help me