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Leabhar Iomlán - Cogg

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Leabhar Iomlán - Cogg

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C D: tosaíonn sí ag moilliú(vi) A 5 37 cm 2 , A 10 148 cm 2 ,E F: Tar éis don veain a bheith stopaithe,A 15 333 cm 2tosaíonn sí ag gluaiseacht arís(ii) Fad(vii) Tharla go bhfuil A ___ r 22 1.57r2 , tá an meastachán(iii) 5.47 kmar an achar de réir na foirmle róbheag faoi 5.78%9. Cruthúnas5. (i) l 15 h, w 20 2h, airde h10. 854 u(ii) Toirt 2h 3 50h 2 300h(v) A __ r 24 (5.92) 6. 3 k 11.48r2Súil Siar (Ceisteanna ina n-iarrtarfreagra níos faide)(iii) h 5 cm(iv) V 50 0 cm 3(v) h 2.9 cm1. (i) (a) l r(vi)(b) A 1_2 r2 520(ii) A 2r r 2 Cruthúnas500(iii) A 1 (r 1) 2(iv) yO 2 4 6 8 10h(vii) Ní féidir, 500 50 550 cm 3 a bheadh satoilleadh nua agus ní thabharfadh luach ar bith arh toilleadh 550 cm 3O 1 2 3 xCaibidil 7: Ailgéabar 3Cleachtadh 7.11. (i) x 4 (ii) x 1 (iii) x 3(v) 2 raidian2. (i) x 10 (ii) x 7 (iii) x 82. (i) Tá siad ar comhachar bréagach3. (i) x 4 (ii) x 1_ (iii) x 72An triantán níos mó faoi 10.27% fíor4. (i) 3 x 2 (ii) 2 x 4Difríocht 9.24% fíor(ii) 57.52°(iii) 1_2 x 1_2(iii) Níl5. (i) 2 x 7 (ii) 1_3. (i) A 4h 2 2 x 3 2_3 80h 400(iii) 14 x 720(ii) h __3 cm6. x 2.5(iii) V 4h 3 80h 2 400h7. (i) x 4 (ii) x 2 (iii) 2 x 410008. (i) x 21_2 (ii) x 3 (iii) 2 1_2 x 39. (i) x 7 (ii) x 8 (iii) 80010. (i) x 4 (ii) x 4 (iii) x 411. Fad 10 m, leithead 9 m60012. a 6.645, b 7.64513. (i) a n b n (ii) a n b n40014. x 6200Cleachtadh 7.21. (i) 2 x 3 (ii) 5 x 2O (iii)1_2 4 6 8 10 12 142 x 22. (i) 3 x 2(iv) h 3.5 cm(v) h 1.95, 5, 13.2 cm(iii) 31_2 x 0(ii) 4 x 11_2(vi) h 10 ⇒ 20 2(10) 0 ⇒ níl aon toirt ann 3. (i) 11_4. (i) A 148 cm 22 x 1 2_ (ii) 4 x 43(ii) 5.78%(iii) 11_2 x 4(iii) a 0.64, b 0.86, c 0.96(iv) Díorthú4. 1 x 75. CruthúnasToilleadh295

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