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Category: Geometry

Question-164842

Question Number 164842 by ajfour last updated on 22/Jan/22 Commented by MJS_new last updated on 22/Jan/22 IthinkthelargestRshouldbeofthetriangle$$\mathrm{with}\:\mathrm{sides}\:\mathrm{2}{a},\:\sqrt{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} },\:\sqrt{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} }\:\Rightarrow\:{R}=\frac{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} }{\mathrm{2}{b}}…

Prove-that-if-circum-circle-and-in-circle-of-a-triangle-are-concentric-the-triangle-is-an-equalateral-triangle-

Question Number 33756 by Rasheed.Sindhi last updated on 23/Apr/18 Provethatifcircumcircleandincircleofatriangleareconcentric,thetriangleisanequalateraltriangle. Answered by MJS last updated on 23/Apr/18 $$\mathrm{draw}\:\mathrm{a}\:\mathrm{circle}\:\mathrm{that}\:“\mathrm{sits}''\:\mathrm{on}\:{O}=(00)\:\mathrm{with} \