#exradii

[gogeometry]

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#Geometry Problem 158. Relation between the #Circumradius #Inradius and #Exradii of a triangle #math #problemsolving #highschool #education #teacher #diagram #drawing #illustration http://gogeometry.com/problem/p158_circumradius_inradii_exradii.htm https://www.instagram.com/p/Bsnn0xXheqA/?utm_source=ig_tumblr_share&igshid=1vbrxwmh8l4ev

[gogeometry]

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New #Geometry Problem 1377: #Isosceles #Triangle , Interior #Cevian , Equal Sum of #Exradii , #Excircle #math #proof #highschool #college http://www.gogeometry.com/school-college/4/p1377-isosceles-triangle-interior-cevian-equal-sum-exradii.htm https://www.instagram.com/p/BmSMBabnuKx/?utm_source=ig_tumblr_share&igshid=j881r0cdomuj