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Question Number 140139 by mathsuji last updated on 04/May/21

Answered by mr W last updated on 04/May/21

say radius of curcumcircle is r  Σsin^(−1) (a/(2r))=sin^(−1) (6/(2r))+sin (3/(2r))+sin^(−1) ((√(11))/(2r))+sin^(−1) (6/(2r))+sin^(−1) ((√2)/(2r))=π  ⇒2r=7.09124208  A=(1/4)Σa(√(4r^2 −a^2 ))      ≈23.81176

sayradiusofcurcumcircleisrΣsin1a2r=sin162r+sin32r+sin1112r+sin162r+sin122r=π2r=7.09124208A=14Σa4r2a223.81176

Commented by mr W last updated on 04/May/21

Commented by mathsuji last updated on 05/May/21

thank you very much Sir

thankyouverymuchSir

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