Question: In geometry terms, is the Royal Observatory in Greenwich similar to a yield sign?, Answer:No, Description of Royal Observatory, Greenwich: observatory in Greenwich, London, UK, Fact1: The main building of the Royal Observatory is the Octagon Room., Fact2: A yield sign is shaped like a rounded triangle., Fact3: Two figures are similar if they have the same shape but not necessarily the same size.
Step1: What is the shape of the Royal Observatory in Greenwich?, Step2: What is the shape of a yield sign?, Step3: Is #1 geometrically similar to #2?, Wikipedia page for step 1: Royal Observatory in Greenwich, Wikipedia page for step 2: Yield sign, Wikipedia page for step 3: Similarity (geometry), not_definitive_answer: False, incorrect_answer: False