Can you determine how round this earth is? Or, can you determine how round your object is? Let’s have a some fun and find out how round is your circle(object)?
John Bryant and Chris Sangwin, has come out with a new book on this subject, How Round Is Your Circle? John and Chris has used the elementary geometry and trigonometry rules to reveal how our past engineers has applied mathematics to solve their problems like how round our earth is,how round our circle is or how to draw an exact straight line using a seven-piece planar linkage etc.
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