Pi

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'S e Pi (Π, π) an siathamh litir deug den aibidil Ghreugach. Tha e co-ionnan ri P san aibidil Romhanaich.

Pi

Matamataig

Cleachdar π ann an matamataig a chomharraich an riochd eadar cearcall-thomhas agus trast-thomhas a' chearcaill. Is e àireamh neo-raiseanail a tha ann an π, ach tha luach π faisg air 22/7 neo 3.142.Tha sin ri ràdh: π × trast-thomhas = cearcall-thomhas. Cuideachd tha π × radius a' chearcaill ceàrnagaichte co-ionnann ri farsaingeachd a' chearcaill.

Aibidil Ghreugach
Alpha | Beta | Gamma | Delta | Epsilon | (Fau) | (Stigma) | Zeta | Eta | (Heta) | Theta | Iota | Kappa | Lambda | Mu | Nu | Xi | Omicron | Pi | (San) | (Sho) | (Qoppa) | Rho | Sigma | Tau | Upsilon | Phi | Chi | Psi | Omega | (Sampi)

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