1. 15 π cm
2. 72 cm
3. θ = 200˚
4. 18 cm
5. (a) θ = 50˚
(b) 5π + 36 cm
6. (a) 5.77
(b) 20.5 cm2
7. (a) 27 cm
(b) 12π + 54 cm
8. (a) 72˚
(b) 320π cm2
1. 1215π m3
2. 522π mm2
3. 84π cm3
4. 135π cm2
5. 1152π cm3
6. 1875π cm2
7. 405 cm2
8. 350π cm3
9. 體積 = 1134π cm3
總表面面積 = 387π cm2
10. 283 cm3
11. 392 cm3
12. 9 cm
13. (a) 8
(b) 213 cm2
(c) 114 cm2
14. (a) 同意
(b) 54 cm
15. (a) 54p cm3
(b) 7
(c) 42p cm2
1. 304π cm2
2 (a) 222 cm3
(b) 362 cm2
3. (a) 972π cm3
(b) 360π cm2
4. 666π cm3
5. (a) (i) r = 3, h = 10
(ii) 72π cm3
(b) 576π cm3
6. (a) 16875 cm3
(b) (i) 3605 cm3
(ii) 9.5 cm
7. 10 cm2
8. (a) 10 cm
(b) 484π / 3 cm3
9. (a) 1625π cm2
(b) 1890π cm2