We know that <span>pentagon A is the smaller pentagon----> length side 4 cm and </span><span>pentagon B is the larger pentagon-----> length side 6 cm so </span><span>the scale factor from pentagon B to pentagon A=length side B/length side A 6/4----> 3/2---> 1.5
the answer is the option </span><span>B) 1.5 </span>