Besonderhede van voorbeeld: -8389631363517367863

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English[en]
Prove that the incircles of the triangles,, and have a point in common if, and only if, is a rhombus.
Tagalog[tl]
Patunayan na ang incircles ng triangles,, at magkaroon ng isang point sa karaniwang kapag, at kapag lamang, ay isang rombo.

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