Um id say 20% of the 30% solution and 14% of the 50 % i think, does it give you answer choices?
The set of fractions between 1 and 2 are infinite.
Given a pre-image, you could use any single reflection, rotation, or translation, or combination of these transformations to re-position the pre-image on top of the image to confirm congruence. You would be able to visually see corresponding side lengths and corresponding angles measures are the same.
