Little explorations with HP calculators (no Prime)

03282017, 07:32 PM
Post: #58




RE: Little explorations with the HP calculators
(03282017 06:13 PM)pier4r Wrote: Could you explain (or hint a known relationship) how did you get that d/2+x = d/2*sqrt(2) ? The right picture can be worth a 1000 words, as they say :) Draw a line segment from the point of tangency (where the circle touches the radial segments of length 10) toward the center of the inner circle. This length is d/2, and the line segment we created is perpendicular to the segments of length 10. (You can produce a square whose diagonal lies at the center of the two circles, and whose side lengths are d/2.) Graph 3D  QPI  SolveSys 

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