Jawab besok kunpul.

3. d = 20 ; L = 314 cm
4. d = 30 ; L = 706, 5 cm
5. d = 24 ; L = 452, 16 cm
6. r = 17,5 ; L = 962,5 cm
7. r = 14 ; L = 616 cm
8. r = 15 ; L = 706,5 cm
9. r = 17 ; L = 907,46 cm
10. r = 20 ; L = 1256 cm

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