Leabhar Iomlán - Cogg

6. Ciste pinsin Ús127 953 3838.59116 791.59 3503.75105 295.38 3158.8693 454.24 2803.6381 257.87 2437.7468 695.61 2060.8755 756.48 1672.6942 429.17 1272.8828 702.01 861.0614 563.07 436.89Súil Siar (Ceisteanna ina n-iarrtarfreagra níos faide)1. 87 422.1; 11 954.752. (i) 673 292.26 (ii) 7173.3(iii) 13 435.363.M(i)(1 i)n(i) P ____________(1 i) n 1(ii) i 0.72% go míosúil(iii) 321(iv) 26 bliain 9 mí4. (i) 13 bliana 2 mhí(ii) 160 0345. (i) A A(1.04) A(1.04) 2 A(1.04) 3(ii) S 26 A ( (1.04)26 1___________1.04 1)(iii) 485 199.00(iv) Íocaíocht 1: 485 199;Íocaíocht 3: 524 791.00(v) Íocaíocht 2: 481 587;Íocaíocht 4: 474 443.85485 199(1.04) n(vi) _____________(1.0478) n(vii) 11 508, 316(viii) 31%Caibidil 6: Fad – Achar – ToirtCleachtadh 6.11. (i) _____ a2 a(ii) a 82. (i) 10x 2 (ii) 5x 2 (iii) 2 : 13. Bonn 13 cm, airde 8 cm4. 9 cm, 40 cm5. 12 m6. 30°, 45°, 105°7. (i) Comhthreomharán(ii) (|AD| |BC|) h(iii) Is ionann achar an traipéisiam agus leathachar na dronuilleoige:(|AD| |BC|)Achar _____________ h28. 15 cm, 21 cm9. (i) p(iii)rpqrq(ii)qr(iii) a chruthaíonn an t-achar is mó10. (i) x 15.8 cm(ii) y 4.65 cm11. (i) 19.99 cm(ii) h 9.31 cm, achar 50.04 cm 2 : freisin achar 1_ (10.75)(10.75) sin 60° 50.04 cm2212. 38.605 m 213. (i) EOD 60°(ii) ODE 60°(iii) 64.95 cm 214. (i) 135°, 150°, 120°(ii) 134.8 cm 215. 30 cm 216. CruthúnasCleachtadh 6.21. (i) 29.7 cm (ii) 35.6 cm 22. (i) 73 cm 2 (ii) 38 cm3. (a)r 2 ___2(c) (x 2a) 2 a 2 (d)(e)a__2 √ _______x2 __ a244. r _____ P2 5. 6.8 cm6. (i) 2r 2 (ii)7. Ga ___ 40 12.73 m,__ r 2p(b) (R 2 r 2 )(f)( 2)4a 2 ____4 ab√ _______ 3 a 2Achar 1600 _____ 509.30 m2 mar go n-úsáidimid garluachle haghaidh 8. (i) 1 : 2 (ii) 4 : 19.42 √ _______ 2 10. (i)(iii)__ 3 raidian (ii) 6 ___ 4 3 cm___ 4 3 √ __3 cm 2 (iv)42 3 √ ___________ 3311. Achar __ r2 ( sin ); 3 2 : 2212. 153.71 cm 213. r 3.429 cm293