Pre-image abcd was dilated to produce image aꞌbꞌcꞌdꞌ. what is the scale factor of the similar figures? enter the answer in simplest form. two quadrilaterals labeled a b c d and a-prime, b-prime, c-prime, d-prime. quadrilateral a b c d is larger than the other quadrilateral, which is to the right of quadrilateral a b c d. side a d is labeled twenty, and side a-prime, d-prime is labeled eight.