Parthiv Posted August 28, 2017 Report Share Posted August 28, 2017 (edited) Hi Everyone, I am researching for a math hl ia topic and I found the topic: "deriving the surface area and the volume of a torus" pretty interesting. I feel that the use of mathematics is sufficient but I think it will be too text-book like. For personal engagement could I add things like optimising surface area of a gold on a ring (or rubber on a lifebuoy tube) or can I derive surface area and try to determine how it affects the efficiency of a life-buoy tube. Edited August 28, 2017 by Parthiv fun Reply Link to post Share on other sites More sharing options...
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