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Leabhar Iomlán - Cogg

Leabhar Iomlán - Cogg

Leabhar Iomlán - Cogg

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Mír 6.3 Réada tríthoiseacha1. PriosmaíFíor thríthoiseach é priosma a bhfuil antrasghearradh céanna aige feadh a fhaid.Taispeántar gnáthphriosma triantánach anseo.An toirt (A ) m 3Achar an dromchla sheachtraigh [2A 3( b)] m 2bAbbPriosma é scipe bruscair freisin nuair is traipéisiam an bonn.Sa chás go bhfuil leithead agus airde ingearach an scipe bruscairseo 1.8 m ar fad araon,an toirt V Achar traipéisiam 1.8 m 3 (________ 3.5 2.32) 1.8 1.8 m 3 9.369 m 3 9.4 m 3 .2.3 m3.5 mIs fearr achar an dromchla ar phriosma a fháil trí eangach an phriosma a leathnú amach.An chlaon-airde √ __________0.6 2 1.8 2 1.9 mAchar gach foircinn (E) 1.9) m 2Tá achar an dromchla sheachtraigh ar an scipe bruscairseo cothrom le:Achar 2 ________ 3.5 2.3(2) 1.8 1.8 2.3 2(1.8 1.9) 21.42 m 21.9 mE0.6 m1.8 m1.8 m3.5 m 2.3 mE2. Súil siar: an sorcóir, an cón agus an sféarCruth Léaráid AiríonnarToirt r 2 hAchar an Dromchla 2 r 2 2r hEangach sorcóra:Sorcóirh2rhr202

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