Leabhar Iomlán - Cogg

6. (i) Pointe trasnaithe dhéroinnteoir ingearach[AB] agus dhéroinnteoir ingearach [BC](ii) 125°(iii) Is é8. (i) 2.5 (ii) 6 (iii) 2 : 59. x 13.5, y 2710. (i) 8 cm (ii) 6 cmCeisteanna B1. 9 cm 2 ; 22.5 cm 22. (i) 1.2 (ii) a 5.4 cm, b 6 cm3. (i) 24 cm (ii) 40.5 cm4. 2 √ ___21 cm5. (i) x 28°, y 56°, z 34°6. (i) 5r (ii) 250 cm 27. (ii) 18 cm8. x 40°, y 80°, z 50°9. (ii) 4.9 cm10. 80 mCeisteanna C1. (i) (a) 4 : 9 (b) 8 : 27(ii) 8 cm (iii) 121.5 cm 2 (iv) 32 cm 32. (i) 60° (ii) 60° (iii) 55°3. (i) 74.25 cm 3(ii) (a) 150° (c) 30°4. (i) 2 √ __7 cm (ii) 4 √ __7 cm(iii) 6 cm (iv) 24 √ __7 cm 25. (i) 168.75 cm 36. (a) (ii) 26° (b) 21 cm7. (ii) x z 10; y z 26; x 4, y 20, z 6(iii) 4 cm8. (ii) k 4_59. (i) 106.3125 cm 3 (ii) 50 m 210. (i) 50.23 m; 7.8 m200 Téacs agus Trialacha 4