bantu plisss butuh cepat

11. op , oq , or , ou , ot , os
12. d= 2xr = 2 x 14 = 28
13. 22/7 x 14 x 14 = 616
14. 2 x 22/7 x 14 = 88
9. V = 14 x 7 x 4 = 392