Categories Similar Figures Similarity, Right Triangles and Trigonometry Scaling by 1/2 Post author By mpershan Post date January 22, 2014 I wonder if the student would’ve made the same mistake with “scaling by 2.” In any event, this isn’t necessarily a nasty misconception to fix, but I’m always interested by the circumstances when addition and multiplication get tangled up. Share this:EmailPrint ← Pythagorean Theorem and Ladders → “They are not similar because you have to add different numbers…”